Ride a cock-horse

57 piece interlocking plywood jigsaw puzzle from the Delta Series associated with British manufacturer AVN Jones. Estimated to be of c1930s-1950s manufacture.
The painting is signed by the popular British "Art Deco" artist Marion Cecilia Crowe (1892-1979), AKA "Marygold".

Artist: Crowe, Marion (aka:Marygold)
Date: c1930s-1950s
Brand: Jones, A.V.N. and Co., Ltd
Material: Plywood
Nationality: British-England
Pieces: 57
Range: Delta
Size: 12" x 8 1/2"
Theme: Fantasy
Title: Untitled-Ride a cock-horse to Banbury Cross