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Stamps of
Bulgaria
,
20+10l
denom
List
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Catalog
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Gallery
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All issuers
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1 to 2 of 2
semipostal
1947
, Jun 16
30th Esperanto Congress issue
unwmk
(no perf info)
-
20+10l
multi
1947, Nov 5
Post Office Clerks issue
-
20+10l
dkbl
switchboard operators
1 to 2 of 2