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Source:
Colnect
Issued by:
Czechoslovakia
Function:
postage
Date:
1920
Issue:
1920a
Denom:
600h
Color:
violet
Design:
agriculture & science
Watermark:
unwmk
Perf:
13.75
Catalog value:
In collections:
used
(Stan Shebs)
Prev:
500h grn
Next:
5h issue=1920b d=carrier pigeon & letter perf=14
External links:
Colnect 150055..re_and_Science
