Westminster Bridge & Big Ben

Very uncommon promotional puzzle from Chad Valley's Places of Interest Series, featuring an unsigned painting looking across the River Thames to Parliament.
Special thanks to Phil Stokes for allowing the display of this puzzle.

Artist: Unsigned
Date: c1950's
Brand: Chad Valley
Material: Plywood
Nationality: British-England
Pieces: 80
Series: Places of Interest
Size: 9" x 7"
Theme: Promotional
Title: Westminster Bridge & Big Ben