USA Coin Book
Gold $2.50 Quarter Eagle Coronet Head 1866-S
1866 S Coronet Head Gold $2.50 Quarter Eagle
Liberty Head - Early Matron Gold Coins
Mintage: 38,960
Metal Composition: 90% Gold - 10% Copper
Diameter: 18 mm
Mass / Weight: 4.18 grams
What This Coin Looks Like (Obverse, Reverse, Mint Mark Location, Special Features, etc.):
Coin Value Chart: Typical Coin Prices, Values and Worth in USD based on Grade/Condition. Numismatic portion of the values last updated February 2026, precious metal portion of the values is updated live!
Good (G-4)
Very Good (VG-8)
Fine (F-12)
Very Fine (VF-20)
Extremely Fine (EF-40)
About Uncirculated (AU-50)
Uncirculated (MS-60)
Uncirculated (MS-63)
Proof (PR-63)
- - - $1,073 $1,350 $2,027 $8,164 $27,442 -
USA Coin Book Estimated Value of 1866-S Coronet Head Gold $2.50 Quarter Eagle is Worth $1,073 in Average Condition and can be Worth $8,164 to $27,442 or more in Uncirculated (MS+) Mint Condition. Click here to Learn How to use Coin Price Charts . Also, click here to Learn About Grading Coins . The Melt Value shown below is how Valuable the Coin's Metal is Worth (bare minimum value of coin). Click here to see the Melt Value of every US Coin .
MELT VALUE: $624.41
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