Very hard to find!
This is a black & white photostat transparency sample proof for the restaurant!
Date: Vintage. (my guess is the 1960's)
Restaurant: Plateau - Dining, Lounge, Bowling.
Location: Watertown, South Dakota.
Size when open: 10 x 12 inches.
Condition: Well used! Scratches, marks, stains, bumps, crinkles, etc.