Why Do Collectors Collect Bars of Metal? Quick answer: Collectors buy metal bars because they combine tangible precious-metal value with craftsmanship, history and collectibility. Gold, silver, platinum and other metal bars may appeal to people who want a physical asset, while vintage designs, unusual sizes, limited production and identifiable makers can make certain bars desirable as collectibles. Their value can depend on metal content, market prices, condition, rarity and collector demand. Metal Bars Are More Than Simple Blocks of Bullion When people picture a gold or silver bar,...