50th Ann. of Birbal Sahni Institute of Palaeobotany, Lucknow

Set / Name of Stamp Date of Issue Denomination Image
Model of Fossil of Williamsonia sewardianaSeptember 11, 1997 September 11, 1997 Rs. 10 Model of Fossil of Williamsonia sewardianaModel of Fossil of Williamsonia sewardiana
Reconstructed Fossil of PentoxylonSeptember 11, 1997 September 11, 1997 Rs. 6 Fossil of PentoxylonFossil of Pentoxylon
Fossil of GlossopterisSeptember 11, 1997 September 11, 1997 Rs. 2 Fossil of GlossopterisFossil of Glossopteris
Fossil of Birbalsahnia divyadarshaniiSeptember 11, 1997 September 11, 1997 Rs. 2 Fossil of Birbalsahnia divyadarshaniiFossil of Birbalsahnia divyadarshanii