Vintage Pure Drugs Porcelain Sign. This vintage porcelain sign is a great addition to any Gas & Oil themed collection, mancave, shop, bar, or garage. Measuring 15″ x 11 3/8″ and featuring the iconic brand Pure Drugs Pharmacy, it is a perfect piece of memorabilia for fans of the brand. The sign is predominantly green and red in color. Vintage Pure Drugs porcelain sign. Pure Drugs large lettering. 15″ x 11 3/8″. Vibrant colors and excellent porcelain.