This vintage shamrock porcelain sign is a unique piece of advertising memorabilia from the 1960s, featuring the iconic Irish lucky clover design. Made by the Shamrock Oil and Gas Corporation in the United States, this 12-inch sign is a green color and showcases a gas & oil theme, perfect for collectors of vintage signs and lovers of nostalgia. Its original reproduction adds to its charm and authenticity, making it a standout addition to any collection of gas & oil memorabilia.