България
Сега показвам: България - Пощенски разноски марки (1879 - 2024) - 2 марки.
1973
Underwater Exploration
24. Януари воден знак: Никой Пробиване: 12½
![[Underwater Exploration, тип BYC]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/BYC-s.jpg)
![[Underwater Exploration, тип BYD]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/BYD-s.jpg)
![[Underwater Exploration, тип BYE]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/BYE-s.jpg)
![[Underwater Exploration, тип BYF]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/BYF-s.jpg)
1973
Underwater Exploration
24. Януари воден знак: Никой Пробиване: Imperforated
![[Underwater Exploration, тип ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/2224-b.jpg)