1866 United States 2 1/2 Dollar Value
The 1866 United States 2 1/2 Dollar carries a current retail range of about $405 to $4,375 across circulated and Mint State grades, and its metal content alone is worth $405 as of 2026-06-01 Certified examples in top grades can run far higher.
Public domain image (struck or printed before 1926). Click to enlarge.
Melt estimated at the US 0.900 gold standard.
1866 United States 2 1/2 Dollar value by grade
| Grade | Estimated value |
|---|---|
| Melt value floor(metal content, 2026-06-01) | $405.08 |
| Good (G-4) | $405 to $486 |
| Very Good (VG-8) | $405 to $501 |
| Fine (F-12) | $405 to $525 |
| Very Fine (VF-20) | $405 to $559 |
| Extremely Fine (XF-40) | $448 to $632 |
| About Uncirculated (AU-50) | $551 to $778 |
| Mint State (MS-60) | $758 to $1,069 |
| Choice Unc (MS-63) | $1,205 to $1,701 |
| Gem Unc (MS-65) | $3,099 to $4,375 |
Estimated retail range, updated 2026-06-13. Estimates are modeled from mintage rarity and metal content, not auction records. Actual sale prices vary with certification, eye appeal and market timing.
Current 1866 United States 2 1/2 Dollar value
In worn but collectible condition (Good-4), a 1866 United States 2 1/2 Dollar starts around $405. From there, value climbs with every grade step: a gem Mint State example (MS-65) can reach $4,375. Most coins found in old collections fall somewhere between Very Fine and About Uncirculated, the middle rows of the table above.
1866 United States 2 1/2 Dollar specifications
- Series
- United States Coinage
- Year
- 1866
- Mint mark
- None (Philadelphia)
- Mintage
- Not recorded
- Composition
- Gold
- Weight
- 4.179 g
- Diameter
- 17.5 mm
- Gold content
- 0.12092 troy oz
The missing mint mark, explained
The 1866 United States 2 1/2 Dollar was struck at the Philadelphia Mint, which used no mint mark in this era. If you find no letter where branch-mint coins carry one (check the usual position for this series), you are holding a Philadelphia issue.
What makes the 1866 United States 2 1/2 Dollar valuable
Official mintage figures for the 1866 United States 2 1/2 Dollar are not well established. The museum-documented specimens behind our specifications provide the physical reference points for the issue, and the market prices it on observed scarcity.
The gold inside a 1866 United States 2 1/2 Dollar, 0.1209 troy ounces, currently $405, is the foundation of the price. Numismatic value begins where the bullion math ends.
Context adds the final layer to the 1866 United States 2 1/2 Dollar. Documented United States coin types preserved in museum collections, with measured specifications for each date, denomination and mint. Owning this date means owning a piece of that story, and demand for the series as a whole sustains liquidity for every issue in it.
1866 United States 2 1/2 Dollar inscriptions & design
Obverse
************* (date)
coronet head of Liberty l.
Reverse
UNITED STATES OF AMERICA; 2 1/2 D.
eagle facing, head l.
Measured 1866 United States 2 1/2 Dollar specimens
1 physically measured 1866 United States 2 1/2 Dollar example in our reference database. Real measured weights and die axes let you authenticate a coin against the 4.179 g, 17.5 mm minting standard.
| Specimen | Weight | Diameter | Die axis | References |
|---|---|---|---|---|
| 1866 United States 2 1/2 Dollar #1 | 4.179 g | 17.5 mm | - | Friedberg.USA.114, Breen.6268 |
Specifications compiled from documented museum specimens. See our data & methodology page.
Summary: the 1866 United States 2 1/2 Dollar is valued between $405 and $4,375 as of 2026-06-13. Estimates combine mintage rarity, key-date status and metal content; they are editorial guidance, not an offer to buy.