1866 S Seated Liberty Quarters

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)
$620	$1,135	$1,683	$2,041	$2,809	$4,255	$6,837	$16,589	-

USA Coin Book Estimated Value of 1866-S Seated Liberty Quarter is Worth $1,135 in Average Condition and can be Worth $6,837 to $16,589 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: $10.88