The product is a large vintage Shell gasoline double-sided porcelain flange sign from the 1960s. This original advertising sign features the iconic Shell brand logo in multi-colors and is manufactured in the United States. Measuring 17 inches in size, this vintage collectible is a sought-after piece for collectors of advertising memorabilia. The sign is a classic example of vintage advertising from the mid-20th century, showcasing the enduring popularity of the Shell brand.