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Source:
Colnect
Issued by:
Bulgaria
Function:
postage
Date:
1/30
/
1969
Issue:
Bulgarian silk industry
Denom:
13s
Color:
multicolored
Design:
silkworm
moth hatched from Cocoon
Watermark:
unwmk
Perf:
11
Catalog value:
Prev:
5s d=closed & open Cocoon with Doll
Next:
20s d=silkworm Moth with Egg Clutches
External links:
Colnect 407476.._silk_industry