1891 O Seated Liberty Dimes : O Over Horizontal O

What This Coin Looks Like (Obverse, Reverse, Mint Mark Location, Special Features, etc.):

One major variety of this date is the 1891-O/O Horizontal O RPM. This coin features an "O" mint mark stamped on top of a horizontal "O" mint mark. The best way to identify this coin is to note parts of the underlying "O" mint mark from the initial strike appearing inside the upper and lower portions of the primary second strike "O" as depicted in the example image above. Source of example image is courtesy of NGC Coin.

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)
$76	$115	$151	$189	$284	$1,246	$3,637	$6,833	-

USA Coin Book Estimated Value of 1891-O Seated Liberty Dime (O Over Horizontal O Variety) is Worth $115 in Average Condition and can be Worth $3,637 to $6,833 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: $4.1798