China, PRC - 20f stamp of 1991 (#224992)

Source: Colnect

Issued by:	China, PRC
Function:	postage
Date:	8/2/1991
Issue:	International Union for Quaternary Research conference
Denom:	20f

Color:	multicolored
Design:
Watermark:	unwmk
Perf:


Catalog value:

In collections: mint (Stan Shebs)