1950s-70s Space Race to The Moon: 1957-11-28 USSR Overprint Tsiolkovsky stamp

On November 28, 1957, the USSR reissued the Tsiolkovsky anniversary stamp with an overprint that included text "Oct 4, 1957, the world's first earth satellite".

The overprinted Tsiolkovsky stamp, which was released on November 28, 1957.

An overprinted Tsiolkovsky stamp featured on a First Day Cover, with the top cover showcasing a Khimki postmark and the bottom cover displaying a Sverdlovsk postmark, both dated November 28, 1957.