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Source:
Colnect
Issued by:
Cambodia
Function:
postage
Date:
6/5
/
1972
Issue:
1st United Nations Conference on the Human Environment
Denom:
12r
Color:
blue green & violet
Design:
Watermark:
unwmk
Perf:
Catalog value:
Prev:
3r multi
Next:
15r vio&blgrn
External links:
Colnect 557113..an_Environment
