The 50th Anniversary of Birbal Sahni Institute of Palaeobotany, Lucknow. Plant Fossils 1997
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1997
The 50th Anniversary of Birbal Sahni Institute of Palaeobotany, Lucknow. Plant Fossils
11. 九月 窗口管理器: 空缺 筛孔: 13¼ x 13½
![[The 50th Anniversary of Birbal Sahni Institute of Palaeobotany, Lucknow. Plant Fossils, 类型 BAL]](https://www.stampworld.com/media/catalogue/India/Postage-stamps/BAL-s.jpg)
![[The 50th Anniversary of Birbal Sahni Institute of Palaeobotany, Lucknow. Plant Fossils, 类型 BAM]](https://www.stampworld.com/media/catalogue/India/Postage-stamps/BAM-s.jpg)
![[The 50th Anniversary of Birbal Sahni Institute of Palaeobotany, Lucknow. Plant Fossils, 类型 BAN]](https://www.stampworld.com/media/catalogue/India/Postage-stamps/BAN-s.jpg)
![[The 50th Anniversary of Birbal Sahni Institute of Palaeobotany, Lucknow. Plant Fossils, 类型 BAO]](https://www.stampworld.com/media/catalogue/India/Postage-stamps/BAO-s.jpg)
