Stamps of Czechoslovakia, Czechoslovakia 50th issue
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postage
1968 Czechoslovakia 50th issue unwmk
| X | 30h | bl & red | xx, p. 11.75 | |||
| X | 30h | multi | national flag, p. 11.75x11.25 | |||
| X | 60h | multi | Prague and Bratislava, p. 11.75x11.25 | |||
| - | 5k | multi | sheet |
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