AVIONES DE HOJALATA VINTAGE ~ JAPÓN KOYO (4) ~ RAF +AA + FW-190 ~ PARA EXHIBICIÓN
Koyo Kinzoku was a Japanese Toy manufacturer making many tinplate toys. Made in Japan. The Koyo logo (K in a diamond) can be found on three of the planes as per the photos 7 & 11. if you have the knowledge to fix the motors then even better.