Muri Bhalissa: Kosta Rica - Bolol tal-posta (1930 - 1939) - 11 bolol.
WM: Xejn Perforazzjoni: 12½
![[Issue of 1923 Reduced in Size and Dated "1929", Tip DI]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/DI-s.jpg)
![[Issue of 1923 Reduced in Size and Dated "1929", Tip DJ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/DJ-s.jpg)
![[Issue of 1923 Reduced in Size and Dated "1929", Tip DK]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/DK-s.jpg)
![[Airmail - Surcharged "CORREO 1930 AEREO", with Bleriot XI Airplane and New Value, Tip DL]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/DL-s.jpg)
![[Airmail - Surcharged "CORREO 1930 AEREO", with Bleriot XI Airplane and New Value, Tip DL1]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/DL1-s.jpg)
![[Airmail - Surcharged "CORREO 1930 AEREO", with Bleriot XI Airplane and New Value, Tip DL2]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/DL2-s.jpg)
![[Airmail - Surcharged "CORREO 1930 AEREO", with Bleriot XI Airplane and New Value, Tip DL3]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/DL3-s.jpg)
14. March WM: Xejn
![[Airmail - Overprinted "CORREO AEREO", Tip DM]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/DM-s.jpg)
19. March WM: Xejn
![[Airmail - Overprinted "CORREO AEREO", Tip CB19]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/CB19-s.jpg)
![[Airmail - Overprinted "CORREO AEREO", Tip CB20]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/CB20-s.jpg)
![[Airmail - Overprinted "CORREO AEREO", Tip CB21]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/CB21-s.jpg)
Muri Bhalissa: Kosta Rica - Bolol tal-posta (1930 - 1939) - 11 bolol.
WM: Xejn Perforazzjoni: 12½
14. March WM: Xejn
19. March WM: Xejn