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Source:
Colnect
Issued by:
Bulgaria
Function:
postage
Date:
6/7
/
1977
Issue:
International Writers Conference
Denom:
23s
Color:
multicolored
Design:
congress emblem
Watermark:
unwmk
Perf:
13
Catalog value:
Prev:
1l issue=1150th Birthday of Kyrillos
Next:
23s
External links:
Colnect 418089..rence_in_Sofia
Record of changes
