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Source: Wikimedia Commons
Issued by:
German Democratic Republic
Function:
postage
Date:
4/23
/
1958
Issue:
Planck 100th
Denom:
20pf
Color:
dark red violet
Design:
Max Planck
1958
Watermark:
quatrefoil & DDR
Perf:
Catalog value:
In collections:
used
(Stan Shebs)
Prev:
10pf grngray d=h (Planck constant)
Next:
6/4/1958 5pf blgrn issue=6th Agricultural Show Markkleeburg d=cow
External links:
Colnect 112092..c_Republic_DDR