Now showing: Trieste Zone B - Postage stamps (1948 - 1954) - 1110 stamps.
1. May WM: None Sheetsize: 30 Perforation: 10½ x 11½
![[International Labor Day, type A1]](https://www.stampworld.com/media/market/58249/173914-s.jpg)
1. May WM: None Sheetsize: 30 Perforation: 10½ x 11½
![[International Labor Day, type A2]](https://www.stampworld.com/media/market/198738/3218985-s.jpg)
1. May WM: None Sheetsize: 30 Perforation: 10½ x 11½
![[International Labor Day, type A2]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/A2-s.jpg)
1. May WM: None Sheetsize: 30 Perforation: 10½ x 11½
![[International Labor Day, type A1]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/A1-s.jpg)
1. May WM: None Sheetsize: 30 Perforation: 10½ x 11½
![[International Labor Day, type A]](https://www.stampworld.com/media/market/375126/7191598-s.jpg)
1. May WM: None Sheetsize: 30 Perforation: 10½ x 11½
![[International Labor Day, type A]](https://www.stampworld.com/media/market/375126/7191636-s.jpg)
1. May WM: None Sheetsize: 30 Perforation: 10½ x 11½
![[International Labor Day, type A]](https://www.stampworld.com/media/market/58249/7916634-s.jpg)
1. May WM: None Sheetsize: 30 Perforation: 10½ x 11½
![[International Labor Day, type A]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/A-s.jpg)
1. May WM: None Sheetsize: 30 Perforation: 10½ x 11½
![[International Labor Day, type A1]](https://www.stampworld.com/media/market/294725/10886839-s.jpg)
1. May WM: None Sheetsize: 30 Perforation: 10½ x 11½
![[International Labor Day, type A]](https://www.stampworld.com/media/market/23506/11017325-s.jpg)
17. October WM: None Perforation: 12½ x 11½
![[Airmail - International Trade Fair, type B]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/B-s.jpg)
17. October WM: None Perforation: 12½ x 11½
![[Airmail - International Trade Fair, type B]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/B-s.jpg)
17. October WM: None Perforation: 12½ x 11½
![[Airmail - International Trade Fair, type B1]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/B1-s.jpg)
17. October WM: None Perforation: 12½ x 11½
![[Airmail - International Trade Fair, type B]](https://www.stampworld.com/media/market/375126/5235582-s.jpg)
17. October WM: None Perforation: 12½ x 11½
![[Airmail - International Trade Fair, type B]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/B-s.jpg)
![[Airmail - International Trade Fair, type B1]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/B1-s.jpg)
17. October WM: None Perforation: 12½ x 11½
![[Airmail - International Trade Fair, type B]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/B-s.jpg)
![[Airmail - International Trade Fair, type B1]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/B1-s.jpg)
17. October WM: None Perforation: 12½ x 11½
![[Airmail - International Trade Fair, type B]](https://www.stampworld.com/media/market/200706/7158713-s.jpg)
17. October WM: None Perforation: 12½ x 11½
![[Airmail - International Trade Fair, type B1]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/B1-s.jpg)
17. October WM: None Perforation: 12½ x 11½
![[Airmail - International Trade Fair, type B]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/B-s.jpg)
![[Airmail - International Trade Fair, type B1]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/B1-s.jpg)
17. October WM: None Perforation: 12½ x 11½
![[Airmail - International Trade Fair, type B]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/B-s.jpg)
17. October WM: None Perforation: 12½ x 11½
![[Airmail - International Trade Fair, type B]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/B-s.jpg)
17. October WM: None Perforation: 12½ x 11½
![[Airmail - International Trade Fair, type B1]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/B1-s.jpg)
17. October WM: None Perforation: 12½ x 11½
![[Airmail - International Trade Fair, type B1]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/B1-s.jpg)
17. October WM: None Perforation: 12½ x 11½
![[Airmail - International Trade Fair, type B]](https://www.stampworld.com/media/market/294725/10886849-s.jpg)
17. October WM: None Perforation: 12½ x 11½
![[Airmail - International Trade Fair, type B]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/B-s.jpg)
![[Airmail - International Trade Fair, type B1]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/B1-s.jpg)
17. October WM: None Perforation: 12½ x 11½
![[Airmail - International Trade Fair, type B]](https://www.stampworld.com/media/market/274123/11200487-s.jpg)
1. May WM: None Sheetsize: 50 Perforation: 12½ x 11½
![[International Labor Day, type C]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/C-s.jpg)
1. May WM: None Sheetsize: 50 Perforation: 12½ x 11½
![[International Labor Day, type C]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/C-s.jpg)
1. May WM: None Sheetsize: 50 Perforation: 12½ x 11½
![[International Labor Day, type C]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/C-s.jpg)
1. May WM: None Sheetsize: 50 Perforation: 12½ x 11½
![[International Labor Day, type C]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/C-s.jpg)
1. May WM: None Sheetsize: 50 Perforation: 12½ x 11½
![[International Labor Day, type C]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/C-s.jpg)
1. May WM: None Sheetsize: 50 Perforation: 12½ x 11½
![[International Labor Day, type C]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/C-s.jpg)
1. May WM: None Sheetsize: 50 Perforation: 12½ x 11½
![[International Labor Day, type C]](https://www.stampworld.com/media/market/294725/10886851-s.jpg)
1. May WM: None Sheetsize: 50 Perforation: 12½ x 11½
![[International Labor Day, type C]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/C-s.jpg)
1. June WM: None Sheetsize: 50 Design: M. Strenar Perforation: 11½
![[Airmail, type I]](https://www.stampworld.com/media/catalogue/Trieste-Zone-B/Postage-stamps/I-s.jpg)