Stamps of Bulgaria, 13th Congress of the Bulgarian Communist Party issue
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postage
1986, Mar 17 13th Congress of the Bulgarian Communist Party issue unwmk
| - | 5st | multi | Wavy lines, p. 12.75 | |||
| - | 8st | multi | Comet, p. 12.75 | |||
| - | 13st | multi | p. 12.75 | |||
| - | 50st | multi | Scaffold Flags, imperf |
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