This vintage Mack Pedigreed Protection heavy porcelain service dealer sign measures 12″ x 8″ and dates back to the 1950s. The multi-color sign features original advertising for Mack products and is a sought-after collectible for those interested in vintage porcelain signs from the United States. With its unique design and historical significance, this sign is a valuable piece of merchandise and memorabilia for collectors of advertising items from the mid-20th century.