Contentment's Gateway

Fully interlocking plywood jigsaw puzzle from the uncommon and limited production British En-Thrall-U brand, featuring a print of a colourful painting by the American artist Harry Hadland.
See also this Beraton puzzle which features the same artwork.
The puzzle is estimated to be of c1930's origin.

Artist: Hadland, Harry
Date: c1930's
Brand: En-Thrall-U
Material: Plywood
Nationality: British
Number: E/0090
Pieces: 250
Size: 11" x 14"
Theme: Landscape
Title: Contentment's Gateway