Professional Coin Center
Groton, Connecticut
- Address
- Groton, CT, 06340
- Phone
- (212) 866-1457
Professional Coin Center in Groton, Connecticut is a U.S. Coins, Bullion dealer listed on CDXList.com. Contact the shop for current inventory, buy/sell pricing, and hours.
Dealer location
Street is not on file. The pin is the ZIP or city area — not a door.
Collector notes
Visiting a coin shop
A few notes before you walk into Professional Coin Center in Groton, CT. These rotate daily. They are general collector etiquette from CDXList — not this shop’s house rules. When something is unclear, ask the person at the counter.
Do not clean the coins
Polish, dip, baking soda, and a toothbrush lower the value of most collectible coins. Leave dirt and toning alone. If you already cleaned something, say so. A dealer would rather hear the truth than discover it under a lamp.
When metals jump, the shop gets busier
A sharp day in gold or silver fills the parking lot. Offers take longer. Lines get real. If you can wait a quieter day, you will get a better conversation. If you cannot, bring patience and a simple list of what you have.
Be present when it is your turn
Take the call outside. Pull the earbuds. The dealer is about to look at your coins or pull something you asked for. A face-to-face minute is worth more than a half-distracted twenty. If you need to text a spouse about a number, say so and step aside.
Follow the house rules without a debate
Bags on the floor, backpacks zipped, one person at the glass — shops set these for a reason. Argue about it and the visit is already off. If a rule is unclear, ask. If it is clear, do it.
Cameras and a locked door are normal
Buzz-in doors, counters, and cameras protect the shop and the people in it. They are not aimed at you personally. Follow the house rules. If you are asked to wait to be let in, wait. That is a well-run store, not a cold shoulder.