This is the metal back side of wing-mirror of old red car Pontiac. I believe, this model was common in year 1946-1954, where Pontiac had been produced with automatic transmission. Unfortunately, I had no chance to investigate further, which year exacly the Pontiac in this picture was made. This metal part had served as a convex mirror, and reflected a situation around a center of small city Grimstad, Norway--an old car exhibition. Old car lovers showed their old cars from 1930's to 1970's, made mostly in Europe and US such as Ford, Dodge, Pontiac, Chevrolet, Cadillac, BMW, VW, Renault, Citroen, Morris and more.