Stamps of Bulgaria, 18 Jul 1957
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postage
1957, Jul 18 6th World Youth Festival issue unwmk p. 13
| - | 44s | bl | dancer & Spasskaya Tower |
1957, Jul 18 Dimitrov memorial 1957 issue
| - | 44s | dpcar | George Dimitrov 1957 |
1957, Jul 18 Levski 120th issue p. 11
| - | 44s | grnblk | Vasil Levski |
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