The Vintage Shamrock Porcelain Sign is a 1960’s advertising piece featuring the iconic Irish lucky clover design. Made by the Shamrock Oil and Gas Corporation in the United States, this 12-inch green sign represents the theme of gas and oil. Perfect for collectors of vintage memorabilia, this sign is a nostalgic piece of history from a bygone era in the service station industry. Displaying the brand’s name and the traditional symbol of luck, this sign is sure to be a unique and charming addition to any collection.