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Source:
Colnect
Issued by:
China, PRC
Function:
postage
Date:
12/29
/
1978
Issue:
Mining Development
Denom:
8f
Color:
multicolored
Design:
Tunneling
Watermark:
unwmk
Perf:
11x11.25
Catalog value:
Prev:
4f d=Old Tibetan peasant reporting to surveyor
Next:
10f d=Opencast mining
External links:
Colnect 654899..oples_Republic
