Junk silver coins refer to U.S. silver coins minted before 1965, primarily containing 90% silver and having little to no numismatic value, traded mainly for their silver content. The document outlines the history, types, and the benefits of investing in 90%, 40%, and 35% silver coins, highlighting notable examples like Morgan dollars and Kennedy half dollars. Bold Precious Metals offers an accessible platform for buying and selling these coins with a focus on quality and customer service.