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The 2008-S Arizona Silver Quarter is worth anywhere from $8 in typical proof condition to over $50 in perfect Gem Proof 70 state. While standard quarters in your pocket are made of copper-nickel, this special San Francisco “S” mint version contains 90% pure silver, making it a valuable find for any collector.
| Condition / Grade | Estimated Value |
|---|---|
| PR-65 (Typical Proof) | $8.00 – $12.00 |
| PR-68 (Deep Cameo) | $15.00 – $20.00 |
| PR-69 (Near Perfect) | $25.00 – $35.00 |
| PR-70 (Perfect Specimen) | $50.00 – $125.00+ |
Understanding the 2008-S Arizona Silver States Quarter
The 2008 Arizona State Quarter was the 48th coin released in the United States Mint’s famous 50 State Quarters Program. While billions of these coins were released for general circulation, the “S” mint mark denotes a coin struck at the San Francisco Mint specifically for collectors. If you’ve discovered one of these and want to confirm its authenticity, using a top coin identifier app can help you distinguish between the common clad version and the silver proof.
Unlike the quarters you use at the vending machine, the silver version was sold only in special “Silver Proof Sets.” These coins were never intended to be spent. However, sometimes sets are broken open, or collections are inherited and accidentally spent, leading to these shiny treasures ending up in the hands of “everyday” Americans.
Identifying these is a key skill for any hobbyist. With CoinKnow, you can instantly scan your coin to check the edge color. A silver quarter will have a solid silver-colored edge, whereas a standard quarter shows a copper stripe. The 90% silver content alone gives this coin an inherent “melt value” that fluctuates with the market price of silver.
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How Much Is a 2008-S Silver Arizona Quarter Worth Today?
The value of the 2008-S Silver Arizona Quarter is primarily driven by two factors: the spot price of silver and the numismatic (collector) grade. Because these coins were struck using polished dies and specially treated planchets, they feature a high-contrast “Deep Cameo” finish where the design appears frosted against a mirror-like background.
Collectors often look for “Perfect 70” grades from professional services like PCGS or NGC. A coin in this condition can fetch a significant premium. For those curious about how this compares to other coins from the same year, you can view the 2008 Oklahoma quarter price guide to see how values differ between state releases.
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| Silver Price at $25/oz | Melt Value of the Quarter |
|---|---|
| Pure Silver Weight | 0.1808 troy ounces |
| Intrinsic Metal Value | Approximately $4.50 – $5.50 |
The “melt value” serves as a price floor. Even if the coin is scratched or damaged, it will always be worth its weight in silver. However, because the Arizona design is popular—featuring the Grand Canyon and a Saguaro cactus—the collector demand usually keeps the price well above the silver melt price.
Key Features of the 2008 Arizona Quarter Design
The 2008 Arizona quarter is a visual masterpiece. It features an image of the Grand Canyon, arguably one of the most recognizable natural landmarks in the world. In the foreground, a large Saguaro cactus stands tall, representing the desert landscape of the state. A banner reading “Grand Canyon State” separates the two elements.
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When inspecting your coin with CoinKnow, pay close attention to the “S” mint mark located on the right side of George Washington’s bust on the obverse (front). If there is no mint mark or a “P” or “D”, it is not the silver version. The 2008-S Silver Proof is distinguished by its incredible detail.
The Arizona quarter was the last state quarter released in 2008, following Oklahoma and New Mexico. Many collectors believe the Arizona design is one of the most beautiful in the entire series. When you research the 2008 silver quarter value data, you’ll see that proof coins from this year are staples in high-end collections.
Rarity and Mintage Figures for the 2008-S Silver Proof
While billions of Arizona quarters were minted in Philadelphia and Denver, the San Francisco Mint produced a much smaller number of silver proof specimens. Specifically, the mintage for the 2008-S Silver Arizona Quarter was approximately 1,192,222. While over a million sounds like a lot, it is quite small compared to the 200 million+ circulation strikes.
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This relative scarcity is why the 2008-S Silver quarter maintains its value. Unlike coins found in change, these were never meant to hit the pavement. If you find one that looks heavily worn, it is likely an “impaired proof,” meaning it was circulated by mistake. These are still worth their silver weight but lose their collector premium.
| Mint Mark | Composition | Mintage |
|---|---|---|
| P (Philadelphia) | Copper-Nickel | 244,600,000 |
| D (Denver) | Copper-Nickel | 265,000,000 |
| S (Proof) | Copper-Nickel Proof | 2,078,112 |
| S (Silver Proof) | 90% Silver | 1,192,222 |
How to Tell the Difference: Silver vs. Clad
The most common question we receive is: “Is my 2008-S Arizona quarter silver or copper?” Not all quarters with an “S” mint mark are silver. The San Francisco Mint also produced “Clad Proofs,” which are made of the same materials as regular pocket change but with a shiny finish.
There are three main ways to tell the difference. First, check the weight. A silver quarter weighs 6.25 grams, while a standard clad quarter weighs 5.67 grams. You will need a precise digital scale to confirm this. Second, check the edge of the coin. Silver quarters have a crisp, bright silver edge with no brown or orange line.
The third method is the “ping test.” When gently tapped or dropped on a hard surface (which we don’t recommend for high-grade coins!), silver has a higher-pitched, longer-lasting ring compared to the dull thud of copper-nickel. Of course, the easiest way is to use CoinKnow to compare your coin against high-resolution photos of known silver proofs.
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Errors and Variations to Look For
While error coins are rare in the Proof series because of the rigorous inspection process at the Mint, they can occur. Some collectors look for “Die Doubling” or “Missing Clad Layers,” though these are almost non-existent for the 2008-S Silver issues.
What is more common is “Toning.” Over time, the silver in the coin can react with oxygen or the paper in a coin folder, creating beautiful rainbows of blue, purple, and gold on the surface. Collectors often pay 2x or 3x the standard value for a “Monster Toned” Arizona Silver Quarter.
Keep an eye out for any struck-through errors or minor die cracks. These small imperfections can turn a $10 coin into a $100 treasure for the right specialized collector. Always handle your silver quarters by the edges to prevent skin oils from damaging the delicate surface.
FAQ
Q: Does every 2008 Arizona quarter contain silver?
A: No. Only quarters with the “S” mint mark that were part of a specific Silver Proof Set contain silver. Quarters with “P” or “D” mint marks found in your pocket are made of copper and nickel and are generally only worth their face value of 25 cents.
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Q: How much silver is in a 2008-S Arizona Silver Quarter?
A: These coins are composed of 90% silver and 10% copper. They contain approximately 0.1808 troy ounces of pure silver.
Q: Where can I sell my 2008-S Arizona Silver Proof?
A: You can sell these to local coin shops, through online auction sites like eBay, or at coin shows. Because they are highly liquid due to their silver content, most dealers will buy them, though they will usually offer a price close to the silver melt value unless the coin is in perfect condition.
Q: Is there a 2008-S Arizona quarter that isn’t silver?
A: Yes! The San Francisco Mint also made “Clad” proof quarters for the standard proof sets. These have an “S” mint mark but are made of copper-nickel. You can tell the difference by looking at the edge; if you see a brown copper stripe, it is not silver.