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Updated May 27th 7:45 AM ET
(800) Coins-99:  7AM - 11PM ET EVERY DAY

We Buy and Sell Rare Coins

Coin Rarities Online (CRO) is a full service online rare coin dealer based in the Boston area specializing in four major categories:

Colonial & Early American Coins | United States Coins | World Coins Used in Early America | Esoteric Numismatic Items

In addition to buying and selling coins, we perform numismatic appraisals, provide auction bidding and consigning assistance, and offer general consulting on all topics related to coin collecting.

CRO is an authorized dealer for the Professional Coin Grading Service (PCGS), Numismatic Guarantee Corporation (NGC), and Certified Acceptance Corporation (CAC) and we can assist you with all phases of the coin grading and submission process.

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Our most recent Early Bird Notification went out on Tuesday, May 26th at noon east coast time
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