Silicon Valley Coins
San Mateo, CA
Certified Coins
Foreign Coins
U.S. Coins
Silicon Valley Coins is a San Mateo, California coin dealer specializing in quality U.S. and world coins, certified rare coins, gold coins, silver dollars, commemoratives, and collectible paper money. Owner John has collected coins since childhood and has worked professionally as a coin dealer since 2002.
Upcoming Shows
This dealer plans to attend the following coin shows.
No upcoming shows in this range.
August 1, 202610:00 AM – 4:00 PM
San Francisco Coin Show
Fort Mason | Gallery 308
San Francisco, CA
October 9, 202610:00 AM – 6:00 PM
October 10, 202610:00 AM – 4:00 PM
October 8, 202710:00 AM – 6:00 PM
October 9, 202710:00 AM – 4:00 PM
October 13, 202810:00 AM – 6:00 PM
October 14, 202810:00 AM – 4:00 PM
October 12, 202910:00 AM – 6:00 PM
October 13, 202910:00 AM – 4:00 PM
October 11, 203010:00 AM – 6:00 PM
October 12, 203010:00 AM – 4:00 PM
Contra Costa Coin and Collectibles Show
Elks Lodge
Walnut Creek, CA
Silicon Valley Coins - August 2026 Schedule
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