Russia 3840-3841, 3844 ad sheet

$ 2.55

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Russia 3840-3841, 3844 ad sheet, MNH, $4.00. Michel 3867-3868, 3871-3874 Bl.69. 10th Ann. of man's first flight into space. Yuri Gagarin Medal. Cosmonauts Day, 1971. Vostok, Yuri Gagarin, Alexei Leonov, First Orbital Station.