Given the uniforms that Kaoru Betto and Michio Nishizawa are wearing on the wrapper, we know that this product was produced in either 1948 or 1949. The manufacturer is Tokyo Sports Co.

According to the wrapper information, it is an "active baseball doll" titled Ball Player, and is described as being something for young baseball fans. It is made of cardboard, and you can see that there are moving parts. It's a seldom seen baseball themed relic of the early postwar period.

Size: Doll- - 4" x 9". Wrapper--4 3/4" x 11 3/4"

Condition: Doll--Ex/Mt. Wrapper--Good to Vg.