Stamp: Charles Steinmetz and Curve on Graph (United States of America 1983)

Charles Steinmetz and Curve on Graph (United States of America 1983)

Stamp, Charles Steinmetz and Curve on Graph, United States of America,

21 September (United States of America ) within release American Inventors Issue goes into circulation Stamp Charles Steinmetz and Curve on Graph face value 20 United States cent

Stamp Charles Steinmetz and Curve on Graph in catalogues
Michel: Mi:US 1653
Stamp Number: Sn:US 2055

Stamp is square format.

Also in the issue American Inventors Issue:

Data entry completed
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Stamp Charles Steinmetz and Curve on Graph in digits
Country: United States of America
Date: 1983-09-21
Print: Recess
Perforation: 11
Emission: Commemorative
Format: Stamp
Face Value: 20 United States cent