Research Doctors 1998
Now showing: Uruguay - Postage stamps - 1998 - Research Doctors - 3 stamps.
1998
Research Doctors
18. December WM: None Design: María José Castañola. Engraving: Impresores Asociados S.A. Perforation: 12½ x 12¾
![[Research Doctors, type BLO]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/BLO-s.jpg)
![[Research Doctors, type BLP]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/BLP-s.jpg)
![[Research Doctors, type BLQ]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/BLQ-s.jpg)
