United States - 20c stamp of 1983 (#140356) | StampData

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Colnect-3168-983-Charles-Steinmetz-and-Curve-on-Graph.jpg

Source: Colnect

Issued by:	United States
Function:	postage
Date:	9/21/1983
Denom:	20c

Color:	multicolored
Design type:	American inventors
Design:	Charles Steinmetz
Watermark:	unwmk
Perf:	11

Sort pos:	1

Catalog value:

In collections: used (Stan Shebs)

Prev: 9/14/1983 20c issue=Metropolitan Opera 100th d=Original State Arch & Current 5-arch Entrance
Next: 20c d=Edwin Armstrong

External links:
Colnect 94203-..tes_of_America