Sýni: Ryukyu eyjar - Venjuleg frímerki (1950 - 1959) - 1 frímerki.
1955
The 350th Anniversary of Introduction of Sweet Potato Plant
26. nóvember WM: Ekkert Götun: 13½ x 13
![[The 350th Anniversary of Introduction of Sweet Potato Plant, tegund AH]](https://www.stampworld.com/media/catalogue/Ryukyu-Islands/Postage-stamps/AH-s.jpg)
