About Our Coin Dealer in Marin County, CA

Alex & Son Coins is a family owned and operated business that deals in buying and selling gold coins, silver coins, estate jewelry and more.

When you visit us to either buy or sell your valuables, you can be confident that we will appraise all items and give you the best deal possible.

Trust Our Diamond, Jewelry and
Estate Jewelry Appraisals

Buy & Sell Gold and Diamonds, Marin County, CA


You can count on our experts at Alex & Son Coins to know what we’re doing. We have been buying and selling jewelry, gold, silver and diamonds as well as providing appraisal services for your valuables for over 60 years! With generations of numismatic experience, Alex & Son Coins is one of the few companies with the proper knowledge and experience to serve and educate you, our customers, on the value of your precious items.

Call or stop by today to learn more about our services!