Stamps, Nature scientists design type
1 to 4 of 4
Austria
postage1992, Mar 27 Nature scientists unwmk p. 14
| X | 5s | multi | Franz Joseph Müller von Reichenstein | |||
| X | 5.50s | multi | Paul Kitaibel | |||
| X | 6s | multi | Christian Doppler | |||
| X | 7s | multi | Richard Kuhn |
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