Panama - 20c stamp of 1937 (#98548)

Source: Colnect

Issued by:	Panama
Function:	postage
Date:	3/1/1937
Issue:	1937b
Denom:	20c

Overprint:	U//P//U
Ovpt color:	black
On:	12/1936 20c issue=4th Spanish-American Postal Congress

Color:	red
Design:	Madden Dam
Watermark:	unwmk
Perf:	12


Catalog value: