Stamps of Czechoslovakia, National Defence issue
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postage
1981, Jul 11 National Defence issue unwmk
| X | 40h | multi | Defence of Borders, p. 11.25x11.75 | |||
| X | 50h | multi | Emblem of Civil Defence Organization, p. 11.75x11.25 | |||
| - | 1kc | multi | Emblem of Svazarm - The 30th Anniversary…, p. 11.5x11.25 |
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