Ryukyu Islands- Page 44
Tropical fish are seen on this set of stamps. They were issued on December 20, 1966, January 10, April 10, May 10, and June 10, 1967.
3 cents- Clown fish
3 cents- Box fish
3 cents- Forceps fish
3 cents- Spotted triggerfish
3 cents- Saddleback butterflyfish