60 Rare and Unusual Vintage Signs

In the U.S., most outdoor signs made between 1890 and and 1950 were constructed of a base of heavy rolled iron, which was die cut into the desired shape, then coated with layers of colored powdered glass and fired in a kiln. This process made them durable and weather-resistant. Signs made this way were known as porcelain enamel signs or simply enamel signs.
60 Rare and Unusual Vintage Signs