Chamberlain Coins & Collectibles Share: Gold & Silver & Platinum Dealers Visit Website Request Info 385 Main St. Longmont, CO 80501 303-774-9661 www.chamberlaincoins.com About Map About Buy, sell, trade coins, currency, gold and silver jewelry, collectibles. Whites metal detector distributor. What's Nearby? Distance: 5 10 15 20 25 50 mi.