1. Frederick Coin Exchange
20 N East St, Frederick, MD 21701
Coordinate: 39.41483,-77.40517
Phone: (301) 898-2863
2. S & W Coins
Frederick, MD 21701
Phone: (301) 845-6621
3. Monument Metals
3562 Worthington Blvd Unit 201, Frederick, MD 21704
Coordinate: 39.32938,-77.35434
Phone: (800) 974-3121