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Costello's Rare Coins

ID: 4244 Store 508 mi from you Halesite, NY 11743 +1 (631) 742-9097
5.0 (15 reviews)
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About Costello's Rare Coins

This Halesite, NY coin dealer specializes in rare coins and numismatic collectibles for both seasoned collectors and newcomers. Costello's Rare Coins buys and sells coins of all types, offering expert appraisals and a carefully curated selection of precious metals and rare numismatic pieces. Whether you're looking to build your collection or sell existing coins, this trusted local dealer provides professional service and competitive pricing.

Imported Listing Last verified: February 26, 2026

Imported listing assembled from public business information and numismatic directory sources. Some business details may have changed. Confirm directly with the dealer or claim this profile to update it.

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Reviews & Ratings

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5.0
★★★★★
6 reviews · 5.0 (9 on Google)
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Anne Apmann
Anne Apmann Google ★★★★★ 1mo ago

Would strongly recommend bringing any coins you find here! Katie was lovely to talk to and very fair about setting a price.

Joseph Bunch
Joseph Bunch Google ★★★★★ 1mo ago

James is great at what he does. He’s super knowledgeable, friendly, and always offers fair prices with a quick turnaround. I definitely recommend going to him—you won’t be disappointed! I’ll be back for sure. Thanks, James!

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Justin Meunier
Justin Meunier Google ★★★★★ 1mo ago

Have done business with James for several years now- could not recommend more highly. I have sold James tens of thousands of worth of coins and antiques and purchased many thousands worth more. Every transaction was handled with the utmost professionalism and integrity. Looking forward to many, many more transactions in the future!

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Thea Morales
Thea Morales Google ★★★★★ 1mo ago

Just met James & Katie at their new location in Huntington and their knowledge and expertise is as stellar as their patience and honesty. They take time to explain to me what I have and always give me the fairest offer. In the beginning, I brought my sterling and coins elsewhere to compare prices, but I now only go to them without hesitation. I know I will always be taken care of fairly and their enthusiasm and passion for the industry is refreshing and rare to encounter.

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Kathleen Manstream
Kathleen Manstream Google ★★★★★ 1mo ago

James works out of a lovely antique shop in Huntington (hard to tell, from the Google map photo). I recently made an appointment with him to review a collection of coins. I had done some research, and had a number in my head that I was hoping to get for my collection, and he was exactly in that ballpark. Another dealer was well under that amount, and made me feel like they didn’t want to spend the time looking at what I had, only wanted the silver at silver rates (even though I knew some of my pieces had more value than that) — more of a cold, pure transactional approach. They also had offered me sub-par pricing for my proof sets — less than half of what they were selling them for on their own website. I felt James gave me a fair price for all the different proof sets and wide variety of coins I had, and I appreciate that he bought not only the things which I imagine had lower profit margins for him, but also the things that the other dealer didn’t want to bother with. And even though he didn’t realize how big the collection I had was, without complaint he spent over two hours carefully going through every item I brought in, educating me about coin quality and rarity and the coin business. I’m not a coin expert, but I’ve watched a lot of “American Pickers” and can recognize when someone has a passion for collecting, like James does for coins — it just felt like I was dealing with a good person who loves what he does. So, do what I did — get some quotes with other dealers, then meet with James — I think you’ll appreciate the difference. I’d highly recommend him.

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Philip Morales
Philip Morales Google ★★★★★ 1mo ago

James Costello is the best coin dealer in the business. I have had the pleasure of conducting business with Mr. Costello on numerous occasions and every transaction has been positive and professional experience. He pays fair and buys strong whether it’s bullion or coins and he is knowledgeable in all facets of the numismatics and bullion hobby and answers any questions I’ve ever asked.

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