14 November (Soviet Union, USSR ) within release Research Submarines. goes into circulation Stamp Sever-2 face value 5 Russian kopek
Stamp Sever-2 in catalogues | |
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Michel: | Mi:SU 6138 |
Stamp is horizontal format.
Also in the issue Research Submarines.:
Stamp Sever-2 it reflects the thematic directions:
A submarine (often shortened to sub) is a watercraft capable of independent operation underwater. (It differs from a submersible, which has more limited underwater capability.) The term "submarine" is also sometimes used historically or informally to refer to remotely operated vehicles and robots, or to medium-sized or smaller vessels (such as the midget submarine and the wet sub). Submarines are referred to as boats rather than ships regardless of their size