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Source:
Colnect
Sheet:
Issued by:
Bulgaria
Function:
postage
Date:
1/24
/
1973
Issue:
Undersea research in the Black Sea
Denom:
20s
Color:
multicolored
Design:
Camera Lift NJW 100
Watermark:
unwmk
Perf:
imperf
Sort pos:
3
Catalog value:
Prev:
20s d=Underwater House â€Shelf 1â€
Next:
20s d=Lifting Balloon
External links:
Colnect 410725.._the_Black_Sea
