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About
Quinnipiac Gold & Diamond Exchange is a trusted coin dealer in North Haven, CT, offering expert buying and selling of coins, precious metals, and numismatic items. With a focus on quality and fair pricing, they serve collectors and investors seeking to buy and sell coins of all types and eras. Whether you're a seasoned numismatist or new to collecting, this North Haven precious metals dealer provides knowledgeable service and competitive valuations.