Vintage Red Hat Gasoline Sign. This vintage Red Hat Gasoline sign is a must-have for any gas and oil advertising collector. With its bold Red Hat Gas colors and iconic top hat, it’s sure to a make display to your collection. This pump plate sign features the Red Hat Gasoline brand name with large lettering. Perfect for adding a touch of nostalgia to your gasoline collection, retro man cave, garage, gas pump or shop. 11 3/4 inches in diameter.