United States - 6c stamp of 1968 (#139674)

Source: Colnect

Issued by:	United States
Function:	postage
Date:	10/1/1968
Issue:	Arkansas River navigation
Denom:	6c

Color:	multicolored
Design:	ship's wheel Power Transmission Tower & Barge
Watermark:	unwmk
Perf:	11


Catalog value:

In collections: used (Stan Shebs), some private