Enter your search terms Submit search form   Web www.groseducationalmedia.ca Ryukyu Islands Postcard There are 63 islands in the Ryukyu chain which stretches between Japan and Formosa. The islands were occupied by the United States between 1945 and 1972. Japanese currency (sen and yen values) was used until 1958 when American denominations (cents and dollars) were adopted. Bibliography "Ryukyu Islands." Standard Postage Stamp Catalogue. 1997. Backward   Virtual Stamp Collection Index Forward © Grose Educational Media, 2005-2019