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Source:
Colnect
Issued by:
Portugal
Function:
postage
Date:
4/11
/
1973
Issue:
Productivity Conference '72
Denom:
1e
Color:
multicolored
Design:
graphs
Watermark:
unwmk
Perf:
14.5
Catalog value:
Prev:
12/27/1972 10e issue=Lusiads 400th perf=13.5
Next:
4e d=odometer
External links:
Colnect 64714-..ivity_Congress
