1950’s Tydol “Flying A” Porcelain Garage Service Station Pump Sign 20. Original Condition w/ minimal paint/porcelain loss, scratches, dings and bruises. Please see pictures for most accurate description. Measures 20 Diameter – These Advert Signs could be seen on the side of a Service Station or a Country Store in the 1950’s and 60’s. Please message with any questions, and see additional listings!