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Source:
Colnect
Issued by:
China, PRC
Function:
postage
Date:
3/15
/
1977
Issue:
1977
Denom:
50f
Color:
multicolored
Design type:
industries (1977)
Design:
Machinery production
Watermark:
unwmk
Perf:
11.5
Catalog value:
Prev:
40f d=textiles
Next:
60f d=Offshore oil rigs & birdssetting sun
External links:
Colnect 286969..oples_Republic
Record of changes
