Best "Oss" Won, The

Semi-interlocking plywood jigsaw puzzle with widespread colour line-cutting. The manufacturer is unknown and I have not been able to identify the artist, whose signature is shown in close-up. Thought likely to be of c1930's-1950's origin.

Artist: Unidentified
Brand: Unidentified
Material: Plywood
Pieces: 248
Size: 10 1/2" x 7 1/2"
Theme: Horses
Title: Best Oss Won, The