Allies Thanksgiving Service

Well-cut plywood jigsaw puzzle with some colour line-cutting and featuring an unsigned painting, noted on the box-base as Allies Thanksgiving Service at?
Please let me know if you are able to identify the location of the service, or supply any further information. Thank you.

Artist: Unsigned
Brand: Unidentified
Material: Plywood
Pieces: 275
Size: 9 1/4" x 13 1/4"
Theme: Churches-Cathedrals
Title: Allies Thanksgiving Service.