Antique and vintage signs are highly sought after by collectors for their beauty, enduring historic value, and because they make great conversation pieces. Advertising everything from soda and oil products to farm equipment and household appliances, old signs might be classified as wood, porcelain (a.k.a. enamel), tin, cardboard, lighted, or neon. In 17th- and 18th-century Europe and early America, most of the population was illiterate, so...Continue Reading