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Source: Wikimedia Commons
Issued by:
Russia
Function:
postage
Date:
10/31
/
1968
Denom:
6k
Color:
multicolored
Design type:
Soviet geology
Design:
The circuit of deep explosion & air reconnaissance
Watermark:
unwmk
Perf:
12
Catalog value:
In collections:
unused
(Stan Shebs)
Prev:
4k d=Geologist with mineral
Next:
10k d=oil derrick
External links:
Colnect 250922..iet_Union_USSR
