United States - 15c stamp of 1973 (#139817)

Source: Colnect

Issued by:	United States
Function:	postage
Date:	7/10/1973
Issue:	Progress in Electronics
Denom:	15c

Color:	multicolored
Design type:	electronics progress
Design:	early microphone, radio tube, TV camera tube, radio speaker
Watermark:	unwmk
Perf:	11


Catalog value:

In collections: used (Stan Shebs)