| country | year | Yvert | mint | used | |||||
|---|---|---|---|---|---|---|---|---|---|
| Bedřich Housa | |||||||||
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postage stamp engraver: 100th anniversary of the discovery of x-rays | Česko | 1995 | 91 |
0.50€
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Easter symbols (engraving): printing by photogravure and recess, and print run of 5,885,000 stamps | Česko | 1997 | 135 |
0.50€
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