Stamps of San Marino, 24 Sep 1991
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postage
1991, Sep 24 Centenary of the radio issue unwmk (no perf info)
| - | 750l | multi | equation & James Clerk Maxwell |
1991, Sep 24 Birth of new Europe issue
| - | 1500l | multi | Brandenburg Gate, dove, broken chain | — | — | |
| - | 1500l | multi | Bush & Gorbaciov | — | — | |
| - | 1500l | multi | Broken barbed wire | — | — |
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