Category:Stampless covers of the Soviet Union

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 See also category: Stampless covers of Russia.

A stampless cover generally refers to any item of mail sent before the issuance of postage stamps but it can also refer to mail sent, after the introduction of postage stamps, unpaid (as was permitted in many countries) or without the pre-payment being indicated by the affixing of a postage stamp; it could have been pre-paid in cash and marked paid.

Media in category "Stampless covers of the Soviet Union"

The following 18 files are in this category, out of 18 total.