John Ferm :: Coin Dealer, Coin Buyer, Coin Seller, Estate Coin Appraiser, John's office is in Excelsior, Minnesota. Voted #1 Dealer in the Northwest. Coin dealers and coin collectors want to work with John because he knows what he is talking about. He specializes in rare coins, and will give you a partial appraisal over the phone for no charge. He has cards for coin supplies, Gold and silver bullion, money markets, coin report, World Coin News ads, Coin World ads, Numismatic News, coin buyer, coin seller, honest coin dealer WHO IS ALSO A PROUD ROTARIAN! Collector c.