- Year: 1866
- Mint Mark: S
- Type: Seated Quarter
- Price: $171.00-$10840.00+
- Face Value: 0.25 USD
- Produced: 28,000
- Edge: Reeded
- Silver Content: 90%
- Silver Weight: 0.1808 oz.
- Melt Value: $5.99
Notes: There were a select number of special issued coins from this year that are not listed in the prices above.
Mintages
How much is a 1866 S Seated Liberty Quarter worth?
In Average Circulated (AC) condition it's worth around $171.00, one in certified mint state (MS+) condition could bring as much as $10,840 at auction. This price does not reference any standard coin grading scale. So when we say Average Circulated, we mean in a similar condition to other coins circulated in 1866, and mint state meaning it is certified MS+ by one of the top coin grading companies. *** [?].
What are your coins really worth?
Use the handy-dandy calculator below to find the real value of any Liberty Seated Quarter in your collection.
Most Valuable
The most valuable Liberty Seated Quarter's. Prices listed are for MS-65 certified. Visit the link to learn more about each coin.
| Image | Year | Mint | Worth |
|---|---|---|---|
 |
1870 | CC | $150k |
 |
1871 | CC | $115k |
 |
1873 | CC | $90k |
 |
1842 | O | $58k |
 |
1860 | S | $55k |
 |
1859 | S | $53.5k |
 |
1852 | O | $37,867 |
 |
1861 | S | $35,798 |
 |
1872 | CC | $35,310 |
 |
1851 | O | $35k |
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| Image | Name | Mint | Worth |
Want more? Click here to see the most valuable coins ever minted.
Are 1866 S Seated Liberty Quarters Silver?
Yes! Liberty Seated Quarter's produced in 1866 are 90% silver to be precise, and contain 0.1808 troy oz or 5.623 grams in total of .999 pure silver. Silver weight is measured in troy ounces. Troy ounces weigh about 2 grams more than the standard ounce. CoinTrackers has built a tool that will let you know if your coin is silver or not. The tool is called Is My Coin Silver?.
Numismatic vs Intrinsic Value:
This coin in poor condition is still worth $165.01 more than the intrinsic value from silver content of $5.99, this coin is thus more valuable to a collector than to a silver bug. Coins worth more to a collectors may be a better long term investment. If the metal prices drop you will still have a coin that a numismatic would want to buy.
Want more info? Then read Coin Collecting Investment an article that details the benefits of coin collecting as a way to build wealth. Also learn how to properly store your coins.
Current silver melt value* for a 1851 O Seated Quarter is $5.99 and this price is based off the current silver spot price of $33.11 This value is dynamic so bookmark it and comeback for an up to the minute silver melt value.
***Price subject to standard supply and demand laws, dealer premiums, and other market variations. Prices represent past values fetched at online auctions, estate sales, certified coins being sold by dealers, and user submitted values. While we wholeheartedly try to give honest price estimates there are many factors besides appearance, metal content, and rarity that help make up the coins overall value. Call or visit your local coin dealer for more information.
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