India
| Country: | India |
| Type: | Postage stamps |
| Series: | 50th Ann. of Birbal Sahni Institute of Palaeobotany, Lucknow |
| Nominal: | 2 ₹ |
| Year: | 1997 |
| Perforation: | 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 |