Aluminium, 1 Fen, China, Manchukuo, 1941    

Manchukuo, officially the State of Manchuria prior to 1934 and the Empire of (Great) Manchuria after 1934, was a puppet state of the Empire of Japan in Northeast China and Inner Mongolia from 1932 until 1945. It was founded as a republic in 1932 after the Japanese invasion of Manchuria bron