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| COMPETITION CLASSES | |
|---|---|
| CH | CHAMPIONSHIP CLASS |
| TR | TRADITIONAL PHILATELY |
| PH | POSTAL HISTORY |
| PS | POSTAL STATIONERY |
| AE | AEROPHILATELY |
| AS | ASTROPHILATELY |
| RE | REVENUES |
| TH | THEMATIC PHILATELY |
| MA | MAXIMAPHILY |
| OP | OPEN PHILATELY |
| PC | POSTCARDS |
| OF | ONE, TWO AND THREE FRAMES |
| YU A | YOUTH (age 10-15) |
| YU B | YOUTH (age 16-18) |
| YU C | YOUTH (age 19-21) |
| LI | LITERATURE 1. MANUALS and Specialized STUDIES 2. General CATALOGUES 3. Philatelic JOURNALS and NEWSPAPERS 4. Philatelic ARTICLES 5. DIGITAL material - Works |