Ginrin (1955)

Ginrin (or Silver Ring 銀輪) is Toshio Matsumoto's debut film. He made it in 1955 as an English Language PR film, although "a relatively avant-garde" one. The film score was the first by Toru Takemitsu. It was believed lost for many, many years, however a copy has been recently found. It is believed that a DVD of this lost film is forthcoming.

More at Wikipedia.