Issuer | Date | Desc | State | ||
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Poland | 1/25/1964 | Winter Olympics 1964, sheet of 4, 2 types | |
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Poland | 8/17/1964 | Olympics 1964, sheet of 4, 2 types | |
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Poland | 8/17/1964 | Olympics 1964, empty sheet (#2109) | incomplete |
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Poland | 11/21/1964 | Voskhod 1 flight, sheet of 3 types |