GM Hydra-Mattic Drive Porcelain Dealership Sign With Rich Cobalt, Circa 1940s–Early 1950s, Measures 19″ x 16″
GM Hydra-Mattic Drive Porcelain Dealership Sign W/ Rich Cobalt, C. 1940s–Early 1950s, 19″ x 16″
GM Hydra-Mattic Drive Porcelain Dealership Sign With Rich Cobalt, Circa 1940s–Early 1950s, Measures 19″ x 16″

