Stamps of Mongolia, The World's Most Famous Scientists issue
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postage
2014, Mar 25 The World's Most Famous Scientists issue unwmk p. 12 (6 stamps)
| - | 100t | multi | Charles Darwin | |||
| - | 100t | multi | Albert Einstein | |||
| - | 300t | multi | Leonardo da Vinci | |||
| - | 300t | multi | Isaac Newton | |||
| - | 500t | multi | Galileo Galilei | |||
| - | 500t | multi | Niels Bohr |
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