Now showing: China, Peoples Rep. - Postage stamps - 1980 - Scientists of Ancient China - 4 stamps.
20. November WM: None Perforation: 11¼ x 11
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![[Scientists of Ancient China, type BLU]](https://www.stampworld.com/media/catalogue/China,-Peoples-Rep./Postage-stamps/BLU-s.jpg)
![[Scientists of Ancient China, type BLV]](https://www.stampworld.com/media/catalogue/China,-Peoples-Rep./Postage-stamps/BLV-s.jpg)
![[Scientists of Ancient China, type BLW]](https://www.stampworld.com/media/catalogue/China,-Peoples-Rep./Postage-stamps/BLW-s.jpg)
![[Scientists of Ancient China, type BLX]](https://www.stampworld.com/media/catalogue/China,-Peoples-Rep./Postage-stamps/BLX-s.jpg)
