Scientists 1965
Now showing: Paraguay - Postage stamps - 1965 - Scientists - 2 stamps.
1965
Scientists
5. June WM: None Sheetsize: 2 Design: Mosdóssy. Engraving: De La Rue de Colombia. Perforation: 13½
![[Scientists, type XC]](https://www.stampworld.com/media/catalogue/Paraguay/Postage-stamps/XC-s.jpg)
![[Scientists, type XA1]](https://www.stampworld.com/media/catalogue/Paraguay/Postage-stamps/XA1-s.jpg)