Τώρα εμφανίζεται ΜΑΥΡΙΤΑΝΙΑ - Γραμματόσημα (1930 - 1939) - 7 Γραμματόσημα.
1937
World Exhibition, Paris
1. Μάρτιος WM: Κανένα Διάτρηση: 13¼ x 13
![[World Exhibition, Paris, τύπος J]](https://www.stampworld.com/media/catalogue/Mauritania/Postage-stamps/J-s.jpg)
![[World Exhibition, Paris, τύπος K]](https://www.stampworld.com/media/catalogue/Mauritania/Postage-stamps/K-s.jpg)
![[World Exhibition, Paris, τύπος L]](https://www.stampworld.com/media/catalogue/Mauritania/Postage-stamps/L-s.jpg)
![[World Exhibition, Paris, τύπος M]](https://www.stampworld.com/media/catalogue/Mauritania/Postage-stamps/M-s.jpg)
![[World Exhibition, Paris, τύπος N]](https://www.stampworld.com/media/catalogue/Mauritania/Postage-stamps/N-s.jpg)
![[World Exhibition, Paris, τύπος O]](https://www.stampworld.com/media/catalogue/Mauritania/Postage-stamps/O-s.jpg)
1937
World Exhibition, Paris
29. Νοέμβριος WM: Κανένα Διάτρηση: Imperforated
![[World Exhibition, Paris, τύπος ]](https://www.stampworld.com/media/catalogue/Mauritania/Postage-stamps/0076-b.jpg)
