The 50th Anniversary of Chinese Academy of Sciences 1999
Now showing: China, Peoples Rep. - Postage stamps - 1999 - The 50th Anniversary of Chinese Academy of Sciences - 4 stamps.
Now showing: China, Peoples Rep. - Postage stamps - 1999 - The 50th Anniversary of Chinese Academy of Sciences - 4 stamps.
![[The 50th Anniversary of Chinese Academy of Sciences, type DLY]](https://www.stampworld.com/media/catalogue/China,-Peoples-Rep./Postage-stamps/DLY-s.jpg)
![[The 50th Anniversary of Chinese Academy of Sciences, type DLZ]](https://www.stampworld.com/media/catalogue/China,-Peoples-Rep./Postage-stamps/DLZ-s.jpg)
![[The 50th Anniversary of Chinese Academy of Sciences, type DMA]](https://www.stampworld.com/media/catalogue/China,-Peoples-Rep./Postage-stamps/DMA-s.jpg)
![[The 50th Anniversary of Chinese Academy of Sciences, type DMB]](https://www.stampworld.com/media/catalogue/China,-Peoples-Rep./Postage-stamps/DMB-s.jpg)
