1. Gaithersburg Coin Exchange
16 E Diamond Ave, Gaithersburg, MD 20877
Coordinate: 39.14206,-77.19709
Phone: (301) 284-0876
2. Warhammer
119 Market St, Gaithersburg, MD 20878
Coordinate: 39.12219,-77.23514
Phone: (301) 963-4530
3. Engine House Hobbies
1 E Diamond Ave Ste A, Gaithersburg, MD 20877
Coordinate: 39.14236,-77.20247
Phone: (301) 590-0816