Your Trusted Neighbor Since 1981

We are proud to be serving Contra Costa County and bring with us our tradition of excellence in customer service and expertise as buyers and sellers of  your numismatic holdings. We have been voted as the “Best of Vallejo” and favored by the community because our buying process is completely transparent. We tell you exactly what you have and break it down in an easily understandablBest-of-Vallejoe way. We don’t try to confuse or hide any information. When selling your valuables, you want a trusted, reputable and honest dealer who pays top dollar.

Located in Solano County, Vallejo Coin Exchange has been in business at the same location in Vallejo since 1981. Our Contra Costa store is located at 3755 Alhambra Avenue in Martinez, CA.

Martinez Coin and Jewelry Exchange buys all forms of scrap gold, and some scrap silver at prices based on the current market price. We also buy and sell all types of U.S. coins and paper money as well as some foreign coin. We are the largest supplier of coin books and coin supplies in the Bay Area.