Model of Fossil of Williamsonia sewardiana
10 ₹ 1997
Индия
| Страна: | Индия |
| Тип: | Почтовые марки |
| Серия: | 50th Ann. of Birbal Sahni Institute of Palaeobotany, Lucknow |
| Номинал: | 10 ₹ |
| Год: | 1997 |
| Перфорация: | comb 13 x 13½ |
50th Ann. of Birbal Sahni Institute of Palaeobotany, Lucknow
 Fossil of Birbalsahnia divyadarshanii |  Fossil of Glossopteris |  Reconstructed Fossil of Pentoxylon |  Model of Fossil of Williamsonia sewardiana |