What we do

Mullen Coins is in business to help you realize a fair value when you buy and sell your coins and currency. Many of our customers first ask us to evaluate their collections. There is no charge for an evaluation.

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Where Will the Next Big Coin Discovery Be Made?
Amazing coin finds have been all over the news in the past several months. At SUNY Buffalo, faculty member Philip Kiernan recently hunted down a “lost” collection of Greek and Roman coins, both gold and silver, that had only been a rumor for decades. The coins’ previous owner, Thomas Lockwood, donated the coins, some of which date back to the fifth century B.C., as part of a larger donation of literature and relics. Twelve of the coins are a collection of Roman coins, one from the reign of the f...
How to Detect Counterfeits
Christmas Gift from Dad