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Source:
Colnect
Issued by:
UN offices in Vienna
Function:
postage
Date:
11/19
/
1997
Issue:
25th Anniversary of the UNESCO World Heritage Convention
Denom:
3s
Color:
multicolored
Design:
Watermark:
unwmk
Perf:
13.5
Catalog value:
Prev:
1s
Next:
6s
External links:
Colnect 21412-..ina-UNO_Vienna