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Source:
Colnect
Issued by:
North Korea
Function:
postage
Date:
3/27
/
1991
Issue:
Silkworm Research
Denom:
20ch
Color:
multicolored
Design:
Antheraea pernyi
Watermark:
unwmk
Perf:
12.25
Catalog value:
Prev:
10ch d=Dr. Kye Ung Sang
Next:
30ch d=Attacus ricini
External links:
Colnect 345399..re-Korea_North
Record of changes
