Stamps_of_Germany_%28Berlin%29_1977%2C_MiNr_550.jpg
Source: Wikimedia Commons
  • Colnect-155-347-Former-Reich-patent-office-Berlin-Kreuzberg.jpg
Issued by: Berlin
Function: postage
Date: 7/13/1977
Issue: patent law 100th
Denom: 60pf
Color: gray & red
Design: Patent Office
Watermark: unwmk
Perf: 14
Catalog value:

In collections: used (Stan Shebs)

External links:
Colnect 40834-..man_patent_law


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