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Alliance Coin & Banknote

Alliance Coin & Banknote is a family-owned coin dealer in historic downtown Almonte, Ontario, founded by numismatic expert Sean Isaacs in 2000, where the world's coins are bought and sold. With decades of experience in Canada's coin industry, this established dealer specializes in coins, banknotes, medals, and numismatic sets for collectors of all levels. Serving the Mississippi Mills area and beyond, Alliance Coin & Banknote offers professional coin trading and collecting services…

4.8(41 reviews)
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About Alliance Coin & Banknote

Alliance Coin & Banknote is a family-owned coin dealer in historic downtown Almonte, Ontario, founded by numismatic expert Sean Isaacs in 2000, where the world's coins are bought and sold. With decades of experience in Canada's coin industry, this established dealer specializes in coins, banknotes, medals, and numismatic sets for collectors of all levels. Serving the Mississippi Mills area and beyond, Alliance Coin & Banknote offers professional coin trading and collecting services to passionate numismatists.

Active ListingLast verified: February 27, 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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4.8
★★★★☆
6 reviews · 4.8 (35 on Google)
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Simon Kinsman
Simon KinsmanGoogle★★★★★
Helpful, fast, and more than fair prices!
— Simon Kinsman, Dec 2025
Wil McClennen
Wil McClennenGoogle★★★★★
I have shown 2 coin collections to Sean over the past 3 months. He looked carefully at each piece, made an offer on the straightforward pieces, and gave me some options for some key date coins. He was very upfront in his assessment and respectful towards our collections. He did not require a decision right then. Sean's offers were right in line with what I was expecting. I had made an effort to understand the value of the collections and what I could reasonably expect in selling to a dealer (which is essentially a 'transfer of risk', ie they may or may not sell). I was glad to have been armed with a bit of knowledge so that I could make this assessment. I recommend Alliance Coin without hesitation for those who have inherited coin collections that they are considering selling. A really positive experience. Thanks, Sean.
— Wil McClennen, Aug 2024
Don Bruner
Don BrunerGoogle★★★★★
Very professional, very fair.. sold a few pieces of jewelry. Trustworthy and exceeded my expectations.
— Don Bruner, Dec 2025
Chris Green
Chris GreenGoogle★★★★★
A beautiful storefront, superb & well-curated stock, matched by genuine expertise. Extremely knowledgeable and trustworthy - highly recommended!
— Chris Green, Dec 2025
Scott Fitzgerald
Scott FitzgeraldGoogle★★★★★
I made an appointment to deal with some old jewelry and gold from an estate. I was very impressed with the professionalism of the staff. While I was there Sean explained the process and how he got into the business. I had many pieces and received an incredible price for the items. So nice to deal with an honest and professional business.
— Scott Fitzgerald, Dec 2025
Brendan Mahoney
Brendan MahoneyGoogle★★★★★
Great people to work with Appraisal value is at par with what i was expecting, and amazing shop too. Lots of great looking coins 👌 he also helped me realize 1/4 is not the same as 1/25 😅😆 they are very much different. My math skills were not on par lol thanks for helping!
— Brendan Mahoney, Feb 2026

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