This vintage circular sign measures 11.75 inches in diameter and features the iconic logo of Standard Airlines. The multi-color design and 1950s date of creation make this piece a true collectible for fans of aviation history. Crafted as an original piece of advertising, this sign is a rare find for collectors of merchandise and memorabilia. Whether you're looking to add to your collection of vintage signs or simply appreciate the iconic design of Standard Airlines, this piece is sure to impress. Don't miss out on the opportunity to own this unique and original item. vintage circa 1950s circular enamelled tin metal advertising sign for standard air lines. In very nice vintage condition as illustrated in the images. In 1929 it merged with western air express as transcontinental western air. I am making an educated guess that this sign dates to the fifties and not as early as the 1920s but feel free to correct me if i am wrong. There are two holes on either side to screw it to a wall. Sourced from wikipedia: standard air lines was an airline founded by jack frye, paul e. Richter and walter a. Hamilton in 1927. The three had founded aero corporation of california in 1926 in los angeles and standard was made a subsidiary of aero in 1927. Its headquarters were at long beach municipal airport in long beach, california