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| A cover featuring a Soyuz 14 stamp, produced by KNIGA, and postmarked on October 18, 1974. It is signed by Pavel Popovich and Yuri Artyukhin. |
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| Soyuz 14 launch cover, postmarked July 3, 1974, signed by Pavel Popovich and Yuri Artyukhin. |
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| A cover featuring Soyuz 14 docked with space station Salyut 3, postmarked July 4, 1974, signed by Pavel Popovich and Yuri Artyukhin. |
