International Labour Bureau - Overprinted "B.I.T. 1937" 1937
Зараз паказаны: Чэхаславакія - Паштовыя маркі - 1937 - International Labour Bureau - Overprinted "B.I.T. 1937" - 3 маркi.
1937
International Labour Bureau - Overprinted "B.I.T. 1937"
6. кастрычніка WM: Няма Перфарацыя: 12½
![[International Labour Bureau - Overprinted "B.I.T. 1937", тып YDL]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-stamps/YDL-s.jpg)
![[International Labour Bureau - Overprinted "B.I.T. 1937", тып YDL1]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-stamps/YDL1-s.jpg)
![[International Labour Bureau - Overprinted "B.I.T. 1937", тып YDL2]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-stamps/YDL2-s.jpg)
