United States - 15c stamp of 1978 (#140056)

Source: Wikipedia

Issued by:	United States
Function:	postage
Date:	7/20/1978
Issue:	Viking on Mars 2nd
Denom:	15c

Color:	multicolored
Design:	Viking 1 Lander Scooping Up Soil on Mars
Watermark:	unwmk
Perf:	11


Catalog value:

In collections: used (Stan Shebs)