{"id":5490,"date":"2025-06-04T08:30:56","date_gmt":"2025-06-04T08:30:56","guid":{"rendered":"https:\/\/www.efo.gr\/?p=5490"},"modified":"2025-06-04T08:30:56","modified_gmt":"2025-06-04T08:30:56","slug":"efeth-lhh-study-group","status":"publish","type":"post","link":"https:\/\/www.efo.gr\/en\/efeth-lhh-study-group\/","title":{"rendered":"\u0397 \u0395\u03a6\u0395\u0398 \u03be\u03b5\u03ba\u03b9\u03bd\u03ac\u03b5\u03b9 \u039f\u03bc\u03ac\u03b4\u03b1 \u039c\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u039c\u03b5\u03b3\u03ac\u03bb\u03c9\u03bd \u039a\u03b5\u03c6\u03b1\u03bb\u03ce\u03bd \u0395\u03c1\u03bc\u03bf\u03cd"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5491 aligncenter\" src=\"https:\/\/www.efo.gr\/wp-content\/uploads\/2025\/06\/\u03bf\u03bc\u03ac\u03b4\u03b1.png\" alt=\"\" width=\"940\" height=\"788\" srcset=\"https:\/\/www.efo.gr\/wp-content\/uploads\/2025\/06\/\u03bf\u03bc\u03ac\u03b4\u03b1.png 940w, https:\/\/www.efo.gr\/wp-content\/uploads\/2025\/06\/\u03bf\u03bc\u03ac\u03b4\u03b1-300x251.png 300w, https:\/\/www.efo.gr\/wp-content\/uploads\/2025\/06\/\u03bf\u03bc\u03ac\u03b4\u03b1-768x644.png 768w, https:\/\/www.efo.gr\/wp-content\/uploads\/2025\/06\/\u03bf\u03bc\u03ac\u03b4\u03b1-14x12.png 14w\" sizes=\"auto, (max-width: 940px) 100vw, 940px\" \/><\/p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":5491,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5490","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u0397 \u0395\u03a6\u0395\u0398 \u03be\u03b5\u03ba\u03b9\u03bd\u03ac\u03b5\u03b9 \u039f\u03bc\u03ac\u03b4\u03b1 \u039c\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u039c\u03b5\u03b3\u03ac\u03bb\u03c9\u03bd \u039a\u03b5\u03c6\u03b1\u03bb\u03ce\u03bd \u0395\u03c1\u03bc\u03bf\u03cd - \u0395\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ae \u03a6\u03b9\u03bb\u03bf\u03c4\u03b5\u03bb\u03b9\u03ba\u03ae \u039f\u03bc\u03bf\u03c3\u03c0\u03bf\u03bd\u03b4\u03af\u03b1<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.efo.gr\/en\/efeth-lhh-study-group\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0397 \u0395\u03a6\u0395\u0398 \u03be\u03b5\u03ba\u03b9\u03bd\u03ac\u03b5\u03b9 \u039f\u03bc\u03ac\u03b4\u03b1 \u039c\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u039c\u03b5\u03b3\u03ac\u03bb\u03c9\u03bd \u039a\u03b5\u03c6\u03b1\u03bb\u03ce\u03bd \u0395\u03c1\u03bc\u03bf\u03cd - \u0395\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ae \u03a6\u03b9\u03bb\u03bf\u03c4\u03b5\u03bb\u03b9\u03ba\u03ae \u039f\u03bc\u03bf\u03c3\u03c0\u03bf\u03bd\u03b4\u03af\u03b1\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.efo.gr\/en\/efeth-lhh-study-group\/\" \/>\n<meta property=\"og:site_name\" content=\"\u0395\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ae \u03a6\u03b9\u03bb\u03bf\u03c4\u03b5\u03bb\u03b9\u03ba\u03ae \u039f\u03bc\u03bf\u03c3\u03c0\u03bf\u03bd\u03b4\u03af\u03b1\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/efo.gr\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-04T08:30:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.efo.gr\/wp-content\/uploads\/2025\/06\/\u03bf\u03bc\u03ac\u03b4\u03b1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"940\" \/>\n\t<meta property=\"og:image:height\" content=\"788\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"gebaltso\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@GreecePhilately\" \/>\n<meta name=\"twitter:site\" content=\"@GreecePhilately\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"gebaltso\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.efo.gr\\\/efeth-lhh-study-group\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.efo.gr\\\/efeth-lhh-study-group\\\/\"},\"author\":{\"name\":\"gebaltso\",\"@id\":\"https:\\\/\\\/www.efo.gr\\\/#\\\/schema\\\/person\\\/7300338ea379f63f977364e25bcc4da1\"},\"headline\":\"\u0397 \u0395\u03a6\u0395\u0398 \u03be\u03b5\u03ba\u03b9\u03bd\u03ac\u03b5\u03b9 \u039f\u03bc\u03ac\u03b4\u03b1 \u039c\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u039c\u03b5\u03b3\u03ac\u03bb\u03c9\u03bd \u039a\u03b5\u03c6\u03b1\u03bb\u03ce\u03bd \u0395\u03c1\u03bc\u03bf\u03cd\",\"datePublished\":\"2025-06-04T08:30:56+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.efo.gr\\\/efeth-lhh-study-group\\\/\"},\"wordCount\":0,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.efo.gr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.efo.gr\\\/efeth-lhh-study-group\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.efo.gr\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/\u03bf\u03bc\u03ac\u03b4\u03b1.png\",\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.efo.gr\\\/efeth-lhh-study-group\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.efo.gr\\\/efeth-lhh-study-group\\\/\",\"url\":\"https:\\\/\\\/www.efo.gr\\\/efeth-lhh-study-group\\\/\",\"name\":\"\u0397 \u0395\u03a6\u0395\u0398 \u03be\u03b5\u03ba\u03b9\u03bd\u03ac\u03b5\u03b9 \u039f\u03bc\u03ac\u03b4\u03b1 \u039c\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u039c\u03b5\u03b3\u03ac\u03bb\u03c9\u03bd \u039a\u03b5\u03c6\u03b1\u03bb\u03ce\u03bd \u0395\u03c1\u03bc\u03bf\u03cd - \u0395\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ae \u03a6\u03b9\u03bb\u03bf\u03c4\u03b5\u03bb\u03b9\u03ba\u03ae \u039f\u03bc\u03bf\u03c3\u03c0\u03bf\u03bd\u03b4\u03af\u03b1\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.efo.gr\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.efo.gr\\\/efeth-lhh-study-group\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.efo.gr\\\/efeth-lhh-study-group\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.efo.gr\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/\u03bf\u03bc\u03ac\u03b4\u03b1.png\",\"datePublished\":\"2025-06-04T08:30:56+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.efo.gr\\\/efeth-lhh-study-group\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.efo.gr\\\/efeth-lhh-study-group\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.efo.gr\\\/efeth-lhh-study-group\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.efo.gr\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/\u03bf\u03bc\u03ac\u03b4\u03b1.png\",\"contentUrl\":\"https:\\\/\\\/www.efo.gr\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/\u03bf\u03bc\u03ac\u03b4\u03b1.png\",\"width\":940,\"height\":788},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.efo.gr\\\/efeth-lhh-study-group\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.efo.gr\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u0397 \u0395\u03a6\u0395\u0398 \u03be\u03b5\u03ba\u03b9\u03bd\u03ac\u03b5\u03b9 \u039f\u03bc\u03ac\u03b4\u03b1 \u039c\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u039c\u03b5\u03b3\u03ac\u03bb\u03c9\u03bd \u039a\u03b5\u03c6\u03b1\u03bb\u03ce\u03bd \u0395\u03c1\u03bc\u03bf\u03cd\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.efo.gr\\\/#website\",\"url\":\"https:\\\/\\\/www.efo.gr\\\/\",\"name\":\"\u0395\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ae \u03a6\u03b9\u03bb\u03bf\u03c4\u03b5\u03bb\u03b9\u03ba\u03ae \u039f\u03bc\u03bf\u03c3\u03c0\u03bf\u03bd\u03b4\u03af\u03b1\",\"description\":\"Hellenic Philatelic Federation\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.efo.gr\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.efo.gr\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.efo.gr\\\/#organization\",\"name\":\"\u0395\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ae \u03a6\u03b9\u03bb\u03bf\u03c4\u03b5\u03bb\u03b9\u03ba\u03ae \u039f\u03bc\u03bf\u03c3\u03c0\u03bf\u03bd\u03b4\u03af\u03b1\",\"url\":\"https:\\\/\\\/www.efo.gr\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.efo.gr\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.efo.gr\\\/wp-content\\\/uploads\\\/2021\\\/07\\\/cropped-cropped-Screenshot-2021-07-16-at-11.54.40-PM-e1626632981997.png\",\"contentUrl\":\"https:\\\/\\\/www.efo.gr\\\/wp-content\\\/uploads\\\/2021\\\/07\\\/cropped-cropped-Screenshot-2021-07-16-at-11.54.40-PM-e1626632981997.png\",\"width\":200,\"height\":103,\"caption\":\"\u0395\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ae \u03a6\u03b9\u03bb\u03bf\u03c4\u03b5\u03bb\u03b9\u03ba\u03ae \u039f\u03bc\u03bf\u03c3\u03c0\u03bf\u03bd\u03b4\u03af\u03b1\"},\"image\":{\"@id\":\"https:\\\/\\\/www.efo.gr\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/efo.gr\",\"https:\\\/\\\/x.com\\\/GreecePhilately\",\"https:\\\/\\\/www.instagram.com\\\/hellenicphilatelicfederation\\\/\",\"https:\\\/\\\/www.youtube.com\\\/@efoGR\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.efo.gr\\\/#\\\/schema\\\/person\\\/7300338ea379f63f977364e25bcc4da1\",\"name\":\"gebaltso\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/800eb9616ddcac1eb2031b8dcfc49dd12176bc17d44b11e1dbbee91d2b9f8408?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/800eb9616ddcac1eb2031b8dcfc49dd12176bc17d44b11e1dbbee91d2b9f8408?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/800eb9616ddcac1eb2031b8dcfc49dd12176bc17d44b11e1dbbee91d2b9f8408?s=96&d=mm&r=g\",\"caption\":\"gebaltso\"},\"sameAs\":[\"http:\\\/\\\/localhost\\\/wordpress\"],\"url\":\"https:\\\/\\\/www.efo.gr\\\/en\\\/author\\\/gebaltso\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u0397 \u0395\u03a6\u0395\u0398 \u03be\u03b5\u03ba\u03b9\u03bd\u03ac\u03b5\u03b9 \u039f\u03bc\u03ac\u03b4\u03b1 \u039c\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u039c\u03b5\u03b3\u03ac\u03bb\u03c9\u03bd \u039a\u03b5\u03c6\u03b1\u03bb\u03ce\u03bd \u0395\u03c1\u03bc\u03bf\u03cd - \u0395\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ae \u03a6\u03b9\u03bb\u03bf\u03c4\u03b5\u03bb\u03b9\u03ba\u03ae \u039f\u03bc\u03bf\u03c3\u03c0\u03bf\u03bd\u03b4\u03af\u03b1","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.efo.gr\/en\/efeth-lhh-study-group\/","og_locale":"en_US","og_type":"article","og_title":"\u0397 \u0395\u03a6\u0395\u0398 \u03be\u03b5\u03ba\u03b9\u03bd\u03ac\u03b5\u03b9 \u039f\u03bc\u03ac\u03b4\u03b1 \u039c\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u039c\u03b5\u03b3\u03ac\u03bb\u03c9\u03bd \u039a\u03b5\u03c6\u03b1\u03bb\u03ce\u03bd \u0395\u03c1\u03bc\u03bf\u03cd - \u0395\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ae \u03a6\u03b9\u03bb\u03bf\u03c4\u03b5\u03bb\u03b9\u03ba\u03ae \u039f\u03bc\u03bf\u03c3\u03c0\u03bf\u03bd\u03b4\u03af\u03b1","og_url":"https:\/\/www.efo.gr\/en\/efeth-lhh-study-group\/","og_site_name":"\u0395\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ae \u03a6\u03b9\u03bb\u03bf\u03c4\u03b5\u03bb\u03b9\u03ba\u03ae \u039f\u03bc\u03bf\u03c3\u03c0\u03bf\u03bd\u03b4\u03af\u03b1","article_publisher":"https:\/\/www.facebook.com\/efo.gr","article_published_time":"2025-06-04T08:30:56+00:00","og_image":[{"width":940,"height":788,"url":"https:\/\/www.efo.gr\/wp-content\/uploads\/2025\/06\/\u03bf\u03bc\u03ac\u03b4\u03b1.png","type":"image\/png"}],"author":"gebaltso","twitter_card":"summary_large_image","twitter_creator":"@GreecePhilately","twitter_site":"@GreecePhilately","twitter_misc":{"Written by":"gebaltso","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.efo.gr\/efeth-lhh-study-group\/#article","isPartOf":{"@id":"https:\/\/www.efo.gr\/efeth-lhh-study-group\/"},"author":{"name":"gebaltso","@id":"https:\/\/www.efo.gr\/#\/schema\/person\/7300338ea379f63f977364e25bcc4da1"},"headline":"\u0397 \u0395\u03a6\u0395\u0398 \u03be\u03b5\u03ba\u03b9\u03bd\u03ac\u03b5\u03b9 \u039f\u03bc\u03ac\u03b4\u03b1 \u039c\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u039c\u03b5\u03b3\u03ac\u03bb\u03c9\u03bd \u039a\u03b5\u03c6\u03b1\u03bb\u03ce\u03bd \u0395\u03c1\u03bc\u03bf\u03cd","datePublished":"2025-06-04T08:30:56+00:00","mainEntityOfPage":{"@id":"https:\/\/www.efo.gr\/efeth-lhh-study-group\/"},"wordCount":0,"commentCount":0,"publisher":{"@id":"https:\/\/www.efo.gr\/#organization"},"image":{"@id":"https:\/\/www.efo.gr\/efeth-lhh-study-group\/#primaryimage"},"thumbnailUrl":"https:\/\/www.efo.gr\/wp-content\/uploads\/2025\/06\/\u03bf\u03bc\u03ac\u03b4\u03b1.png","inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.efo.gr\/efeth-lhh-study-group\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.efo.gr\/efeth-lhh-study-group\/","url":"https:\/\/www.efo.gr\/efeth-lhh-study-group\/","name":"\u0397 \u0395\u03a6\u0395\u0398 \u03be\u03b5\u03ba\u03b9\u03bd\u03ac\u03b5\u03b9 \u039f\u03bc\u03ac\u03b4\u03b1 \u039c\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u039c\u03b5\u03b3\u03ac\u03bb\u03c9\u03bd \u039a\u03b5\u03c6\u03b1\u03bb\u03ce\u03bd \u0395\u03c1\u03bc\u03bf\u03cd - \u0395\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ae \u03a6\u03b9\u03bb\u03bf\u03c4\u03b5\u03bb\u03b9\u03ba\u03ae \u039f\u03bc\u03bf\u03c3\u03c0\u03bf\u03bd\u03b4\u03af\u03b1","isPartOf":{"@id":"https:\/\/www.efo.gr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.efo.gr\/efeth-lhh-study-group\/#primaryimage"},"image":{"@id":"https:\/\/www.efo.gr\/efeth-lhh-study-group\/#primaryimage"},"thumbnailUrl":"https:\/\/www.efo.gr\/wp-content\/uploads\/2025\/06\/\u03bf\u03bc\u03ac\u03b4\u03b1.png","datePublished":"2025-06-04T08:30:56+00:00","breadcrumb":{"@id":"https:\/\/www.efo.gr\/efeth-lhh-study-group\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.efo.gr\/efeth-lhh-study-group\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.efo.gr\/efeth-lhh-study-group\/#primaryimage","url":"https:\/\/www.efo.gr\/wp-content\/uploads\/2025\/06\/\u03bf\u03bc\u03ac\u03b4\u03b1.png","contentUrl":"https:\/\/www.efo.gr\/wp-content\/uploads\/2025\/06\/\u03bf\u03bc\u03ac\u03b4\u03b1.png","width":940,"height":788},{"@type":"BreadcrumbList","@id":"https:\/\/www.efo.gr\/efeth-lhh-study-group\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.efo.gr\/"},{"@type":"ListItem","position":2,"name":"\u0397 \u0395\u03a6\u0395\u0398 \u03be\u03b5\u03ba\u03b9\u03bd\u03ac\u03b5\u03b9 \u039f\u03bc\u03ac\u03b4\u03b1 \u039c\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u039c\u03b5\u03b3\u03ac\u03bb\u03c9\u03bd \u039a\u03b5\u03c6\u03b1\u03bb\u03ce\u03bd \u0395\u03c1\u03bc\u03bf\u03cd"}]},{"@type":"WebSite","@id":"https:\/\/www.efo.gr\/#website","url":"https:\/\/www.efo.gr\/","name":"Hellenic Philatelic Federation","description":"Hellenic Philatelic Federation","publisher":{"@id":"https:\/\/www.efo.gr\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.efo.gr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.efo.gr\/#organization","name":"Hellenic Philatelic Federation","url":"https:\/\/www.efo.gr\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.efo.gr\/#\/schema\/logo\/image\/","url":"https:\/\/www.efo.gr\/wp-content\/uploads\/2021\/07\/cropped-cropped-Screenshot-2021-07-16-at-11.54.40-PM-e1626632981997.png","contentUrl":"https:\/\/www.efo.gr\/wp-content\/uploads\/2021\/07\/cropped-cropped-Screenshot-2021-07-16-at-11.54.40-PM-e1626632981997.png","width":200,"height":103,"caption":"\u0395\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ae \u03a6\u03b9\u03bb\u03bf\u03c4\u03b5\u03bb\u03b9\u03ba\u03ae \u039f\u03bc\u03bf\u03c3\u03c0\u03bf\u03bd\u03b4\u03af\u03b1"},"image":{"@id":"https:\/\/www.efo.gr\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/efo.gr","https:\/\/x.com\/GreecePhilately","https:\/\/www.instagram.com\/hellenicphilatelicfederation\/","https:\/\/www.youtube.com\/@efoGR"]},{"@type":"Person","@id":"https:\/\/www.efo.gr\/#\/schema\/person\/7300338ea379f63f977364e25bcc4da1","name":"gebaltso","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/800eb9616ddcac1eb2031b8dcfc49dd12176bc17d44b11e1dbbee91d2b9f8408?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/800eb9616ddcac1eb2031b8dcfc49dd12176bc17d44b11e1dbbee91d2b9f8408?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/800eb9616ddcac1eb2031b8dcfc49dd12176bc17d44b11e1dbbee91d2b9f8408?s=96&d=mm&r=g","caption":"gebaltso"},"sameAs":["http:\/\/localhost\/wordpress"],"url":"https:\/\/www.efo.gr\/en\/author\/gebaltso\/"}]}},"_links":{"self":[{"href":"https:\/\/www.efo.gr\/en\/wp-json\/wp\/v2\/posts\/5490","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.efo.gr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.efo.gr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.efo.gr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.efo.gr\/en\/wp-json\/wp\/v2\/comments?post=5490"}],"version-history":[{"count":1,"href":"https:\/\/www.efo.gr\/en\/wp-json\/wp\/v2\/posts\/5490\/revisions"}],"predecessor-version":[{"id":5492,"href":"https:\/\/www.efo.gr\/en\/wp-json\/wp\/v2\/posts\/5490\/revisions\/5492"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.efo.gr\/en\/wp-json\/wp\/v2\/media\/5491"}],"wp:attachment":[{"href":"https:\/\/www.efo.gr\/en\/wp-json\/wp\/v2\/media?parent=5490"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.efo.gr\/en\/wp-json\/wp\/v2\/categories?post=5490"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.efo.gr\/en\/wp-json\/wp\/v2\/tags?post=5490"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}