The 1851 Seated Liberty half dollars have value as numismatic coins. Keep reading to learn more about these silver coins.

Specifications
Type: Seated Liberty Half Dollar
Year: 1851
Face Value: $0.50
Composition: 90% silver, 10% copper
Silver Weight: .3866 oz.
Total Weight: 13.36 grams
Current Silver Bullion Value: $22.34
The US minted the 1851 half dollar with no mint mark and also the 1851 O half dollar. The mint mark, when present, can be found on the reverse side of the coin below the eagle.
| Series |
Location |
Quantity Minted |
| 1851 |
Philadelphia |
200,750 |
| 1851 O |
New Orleans |
402,000 |
Value
This coin in circulated condition is worth at least its weight in silver. The silver melt value for this coin is $22.34. This melt value is calculated from the current silver spot price of $57.78 per ounce.
The 1851 half dollar with no mint mark is worth around $900 in good condition. In very fine condition the value is around $1,400. In extremely fine condition the value is around $2,100. In uncirculated condition the price is around $3,750 for coins with an MS 60 grade. Uncirculated coins with a grade of MS 63 can sell for around $4,750.
The 1851 O half dollar is worth around $75 in good condition. In very fine condition the value is around $195. In extremely fine condition the value is around $550. In uncirculated condition the price is around $1,500 for coins with an MS 60 grade. Uncirculated coins with a grade of MS 63 can sell for around $3,500.
Grading System
Good- The word "LIBERTY" on the shield is not readable. The letters and the date are readable.
Very fine- The word "LIBERTY" on the shield is mostly sharp.
Extremely fine- The word "LIBERTY" on the shield is completely sharp. The edges on the scroll are distinct.
MS 60 uncirculated- There are no signs of wear. The coin has luster, but there may be a few stains, abrasions, or surface marks.
MS 63 choice uncirculated- In the major focal areas there are some blemishes or contact marks. The coin's luster might not be as prominent.
Sources:
The Red Book