Copper State Coin & Bullion runs two storefronts in the Phoenix metro area, one in Peoria and one near Bell Road in Phoenix, and sells everything from graded pre-1933 gold to modern silver rounds and obsolete paper currency.
The business started online in the early 2000s under the name Mint Treasures before opening physical locations under the Copper State name, and it now operates as a family-run shop with a website that doubles as a full e-commerce catalog.
This review looks at what the company actually offers, how its pricing and services compare to the broader bullion market, and what customers say about buying or selling there.
Key Takeaways
- Copper State Coin & Bullion operates two Arizona locations (Peoria and Phoenix) and sells bullion, certified numismatic coins, and paper currency both in-store and online.
- The company offers free appraisals for selling and a separate paid insurance appraisal service, plus want-list sourcing for hard-to-find items.
- Customer reviews are heavily positive across Google and Yelp, with repeated mentions of fair pricing and low-pressure service, though at least one BBB complaint cites a pricing dispute over a pre-1933 gold coin.
What They Actually Sell
The inventory splits into three buckets: bullion, numismatics, and currency. On the bullion side, Copper State carries gold, silver, platinum, and palladium in coin, bar, and round form from mints including the U.S. Mint, Perth Mint, and PAMP Suisse.
Their numismatic section runs deep, covering half cents and large cents through Morgan and Peace dollars, pre-1933 gold, commemoratives, colonial issues, and world coins.
A decent chunk of that inventory is PCGS or NGC certified, which matters if you’re buying sight-unseen through their website rather than handling the coin in person.
Here’s a rough breakdown of the main product categories based on the current site catalog:
| Category | Examples | Grading |
|---|---|---|
| Bullion | Gold/silver eagles, Krugerrands, silver bars and rounds | Raw or certified |
| U.S. Numismatics | Morgan dollars, Barber coinage, half cents, gold type coins | Mostly PCGS/NGC certified |
| World Coins | Mexican, Austrian, British, Chinese issues | Mixed |
| Paper Currency | National bank notes, large-size notes, obsolete currency | PMG/PCGS certified |
That’s a wide spread for a two-location shop. Plenty of regional coin dealers stick to bullion and a handful of common-date U.S. coins. Copper State’s willingness to stock things like 1552 Mexican colonial silver reales or 19th-century obsolete bank notes suggests they’re buying estate collections and breaking them apart for individual sale, not just running spot-price bullion inventory.
Pricing Context: Where Bullion Sits Right Now
Gold spot price has been sitting in the $4,000 to $4,150 per ounce range through late July and early August 2026, after peaking near $5,600 in January. Silver spot has settled around $57 to $60 per ounce over the same window, down from a January peak near $116.
Dealers typically add a premium of 3 to 8 percent over spot for common bullion coins like American Eagles, and that premium widens for smaller fractional pieces or low-mintage products. If you’re comparing Copper State’s “As Low As” bullion pricing against a national online dealer, check the premium over that day’s spot number rather than the sticker price alone, since spot moves by the hour.
A local shop carries one real advantage here: no shipping insurance cost and no waiting on a package. It also carries a disadvantage. Smaller shops sometimes can’t match the razor-thin margins that high-volume national dealers run on generic bullion, because they’re not moving the same unit volume.
Where local shops tend to win is on graded numismatic coins and estate pieces, where in-person inspection and relationship-based pricing matter more than shaving a few cents off spot.
Silver has been the more volatile of the two metals this year. It jumped from around $40 an ounce last September to nearly $116 by late January, a move that caught even long-time dealers off guard, then gave back a large chunk of that gain as the year progressed.
Analysts at SD Bullion have floated a range as wide as $3,900 to $4,350 for gold through the rest of August, which tells you something important: nobody selling bullion, including Copper State, is pricing off a stable number. Whatever premium you’re quoted today may look different in a week.
That’s normal, not a red flag, but it’s a reason to ask for the spot price the dealer is using at the moment of quote rather than assuming yesterday’s number still applies.
Selling to Them
If you’re the one selling, Copper State offers a free appraisal to establish value before any transaction, and a separate paid appraisal service for people who need documentation for insurance purposes.
That second service is worth flagging because plenty of coin shops only do informal verbal quotes, not written reports an insurer will accept. For anyone with a modest inherited collection who just wants a number and doesn’t care about a paper trail, the free version is the one to ask for.
One thing worth knowing before you walk in: bring documentation if you have it. Auction records, prior appraisals, or even photos of the coin under magnification can speed up the process and give you a stronger negotiating position, especially on anything graded or semi-key date.
What Customers Say
Reviews across Google and Yelp for both locations run overwhelmingly positive. Recurring themes include staff taking time to explain coins to newer collectors, competitive trade-in offers on silver, and a shop environment that reviewers describe as clean and low-pressure. Names that show up repeatedly in reviews, Mike and Ivy, get specific praise for patience with first-time sellers.
Not every account is glowing. A complaint filed with the Better Business Bureau describes a customer who felt a staff member disputed the authenticity of a pre-1933 gold coin during a sale attempt.
That’s a single documented complaint against a large volume of five-star reviews, so it shouldn’t be weighted as heavily as the aggregate pattern, but it’s worth knowing that authentication disputes can happen, particularly with older gold that’s been through multiple hands. Bringing a certificate of authentication or prior grading slip reduces that risk substantially.
Location and Logistics
| Detail | Phoenix Location | Peoria Location |
|---|---|---|
| Address | 4550 E. Bell Road, Suite 188 | 8360 W. Thunderbird Road, C103 |
| Phone | 602-377-1944 | 623-432-3953 |
| Hours | Mon-Sat, closed Sun | Mon-Fri 9-5, Sat 9-4, closed Sun |
Both locations are within a short drive of each other in the North Phoenix/Peoria corridor, which is convenient if one location doesn’t have what you’re looking for in stock.
The company also ships nationally through its website and maintains an active eBay storefront with tens of thousands of completed sales and a feedback rating close to 100 percent, which is a useful cross-check if you want a second data point on their reliability beyond Google reviews.
Who This Shop Fits
Collectors chasing a specific date-and-mintmark combo, or estate executors trying to liquidate a mixed box of old coins and currency, get more value here than someone just trying to stack generic silver rounds at the tightest possible spread.
The certified numismatic and currency inventory is the differentiator. Bullion buyers on a tight budget should still price-check against a couple of national dealers first, since local overhead sometimes shows up in the premium on common bullion products even when service quality is excellent.
Conclusion
Copper State Coin & Bullion is a legitimate, long-running Arizona dealer with strong reviews and a genuinely deep numismatic and currency catalog, best suited to collectors and sellers who value in-person service over the absolute lowest bullion premium.
Check their bullion pricing against current spot before buying, and bring documentation if you’re selling anything with real numismatic value.