Stamps, Telecommunications Anniversaries design type
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Czechoslovakia
postage1973, May 1 Telecommunications Anniversaries unwmk p. 11.5x11.25
| - | 30h | multi | ||||
| - | 30h | multi | ||||
| - | 30h | multi |
Djibouti
airmail1987, Oct 1 Telecommunications Anniversaries (no perf info)
| - | 190fr | multi | The 25th Anniversary of "Telstar" Satellite | — | — | |
| - | 250fr | multi | The 150th Anniversary of Morse Telegraph | — | — |
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