Colnect-3782-163-Unesco-water-economy.jpg
Source: Colnect
Issued by: Cambodia
Function: postage
Date: 11/1/1967
Issue: Hydrological Decade
Denom: 10r
Color: multicolored
Design:
Watermark: unwmk
Perf:
Catalog value:



External links:
Colnect 560250..economy-Unesco


Record of changes