Now showing: Cuba - Postage stamps (1990 - 1999) - 14231 stamps.
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ETB]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETB-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ETA]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETA-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ETB]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETB-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ESZ]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ESZ-s.jpg)
![[The 25th Anniversary of the Oceanology Institute, type ETA]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETA-s.jpg)
![[The 25th Anniversary of the Oceanology Institute, type ETB]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETB-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ESZ]](https://www.stampworld.com/media/market/14388/2282192-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ESZ]](https://www.stampworld.com/media/market/182202/2589238-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ESZ]](https://www.stampworld.com/media/market/230974/2902627-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ESZ]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ESZ-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ETA]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETA-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ETB]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETB-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ESZ]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ESZ-s.jpg)
![[The 25th Anniversary of the Oceanology Institute, type ETA]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETA-s.jpg)
![[The 25th Anniversary of the Oceanology Institute, type ETB]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETB-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ETB]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETB-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ETB]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETB-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ESZ]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ESZ-s.jpg)
![[The 25th Anniversary of the Oceanology Institute, type ETA]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETA-s.jpg)
![[The 25th Anniversary of the Oceanology Institute, type ETB]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETB-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ETA]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETA-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ETB]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETB-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ETB]](https://www.stampworld.com/media/market/63260/6798219-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ESZ]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ESZ-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ETA]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETA-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ETA]](https://www.stampworld.com/media/market/162724/6919429-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ESZ]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ESZ-s.jpg)
![[The 25th Anniversary of the Oceanology Institute, type ETA]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETA-s.jpg)
![[The 25th Anniversary of the Oceanology Institute, type ETB]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETB-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ETA]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETA-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ESZ]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ESZ-s.jpg)
![[The 25th Anniversary of the Oceanology Institute, type ETA]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETA-s.jpg)
![[The 25th Anniversary of the Oceanology Institute, type ETB]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETB-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ETB]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETB-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ESZ]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ESZ-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ESZ]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ESZ-s.jpg)
![[The 25th Anniversary of the Oceanology Institute, type ETA]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETA-s.jpg)
![[The 25th Anniversary of the Oceanology Institute, type ETB]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETB-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ESZ]](https://www.stampworld.com/media/market/46765/9315390-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ESZ]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ESZ-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ETA]](https://www.stampworld.com/media/market/477593/10341835-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ESZ]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ESZ-s.jpg)
![[The 25th Anniversary of the Oceanology Institute, type ETA]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETA-s.jpg)
![[The 25th Anniversary of the Oceanology Institute, type ETB]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETB-s.jpg)
19. May WM: None Perforation: 12½ x 12¼
![[The 25th Anniversary of the Oceanology Institute, type ESZ]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ESZ-s.jpg)
![[The 25th Anniversary of the Oceanology Institute, type ETA]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETA-s.jpg)
![[The 25th Anniversary of the Oceanology Institute, type ETB]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/ETB-s.jpg)