Colnect-137-753-Patent-bureau-100th-anniversary.jpg
Source: Colnect
Issued by: Austria
Function: postage
Date: 4/16/1999
Issue: 100th Anniversary of the Austrian Patent Office
Denom: 7s
Color: multicolored
Design:
Watermark: unwmk
Perf:
Catalog value:



External links:
Colnect 19917-..-Anniversaries


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