Walk in
Gaithersburg Coin Exchange
16 East Diamond AvenueGaithersburg, MD 20877301-948-6884
Walk-in service with no appointment needed. Bring a question, a collection, or an item you want to understand.
Come through the door
Two local places to begin.
Gaithersburg is ready for walk-ins. Middletown, just outside Frederick, is available by appointment.
Gaithersburg, MD 20877301-948-6884
By appointment only
Middletown Coin Exchange
1 West Main StreetMiddletown, MD 21769301-371-0111
Located just minutes outside Frederick. Please call ahead to arrange your visit.
What to bring
Come as you are.
A coin or piece of bullion you want to learn about.
Gold jewelry or sterling silver flatware.
A collection, estate, or inherited box of items.
Questions. We will start there.