Most látható: Lettország - Légiposta (1921 - 1933) - 9 bélyegek.
10. január Vj: 2 Ívméret: 100 Fogazat: 11½
![[Airmail - Different Watermark, típus B3]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Latvia/Airmail/B3-s.jpg)
![[Airmail - Different Watermark, típus B4]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Latvia/Airmail/B4-s.jpg)
![[Airmail - Different Watermark, típus B5]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Latvia/Airmail/B5-s.jpg)
5. december Vj: 2 Ívméret: 100 Fogazat: 10¾
![[Airmail - Not Issued Stamps Overprinted "LATVIJAS AIZSARGI" & Surcharged, típus C]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Latvia/Airmail/C-s.jpg)
![[Airmail - Not Issued Stamps Overprinted "LATVIJAS AIZSARGI" & Surcharged, típus C1]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Latvia/Airmail/C1-s.jpg)
![[Airmail - Not Issued Stamps Overprinted "LATVIJAS AIZSARGI" & Surcharged, típus C2]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Latvia/Airmail/C2-s.jpg)
9. december Vj: 2 Ívméret: 100 Fogazat: 10¾
![[Airmail - Imperforated, típus C3]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Latvia/Airmail/C3-s.jpg)
![[Airmail - Imperforated, típus C4]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Latvia/Airmail/C4-s.jpg)
![[Airmail - Imperforated, típus C5]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Latvia/Airmail/C5-s.jpg)
