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Source:
Colnect
Issued by:
Portugal
Function:
postage
Date:
4/11
/
1973
Issue:
Productivity Conference '72
Denom:
9e
Color:
multicolored
Design:
Watermark:
unwmk
Perf:
14.5
Catalog value:
In collections: some private
Prev:
4e d=odometer
Next:
4/30/1973 1e issue=Europa 1973 d=Europa posthorn
External links:
Colnect 64716-..ivity_Congress
Record of changes
