This is an antique, valuable Tydol Ethyl Flying A Porcelain Gasoline Sign. The sign front reads: “Tydol Ethyl A,” with a pair of wings attached to the lower ‘A.” The sign is circular with a cream outer border, black inner border, and red background field. It has four mounting holes. An alternative of this sign is similar, with a red

May 17, 2013 Antique Advertising Signs, Antique Transportation Advertisements