Stamps of Vietnam, World Telecommunications Day issue
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postage
1978, Sep 25 World Telecommunications Day issue unwmk p. 11
| X | 12xu | Printed circuit | — | — | ||
| X | 12xu | ITU emblem | — | — | ||
| - | 24xu |
1 to 3 of 3
| X | 12xu | Printed circuit | — | — | ||
| X | 12xu | ITU emblem | — | — | ||
| - | 24xu |