Mint State: Genuine Mint State (MS) - Graded MS-60 to MS-69 by a Numismatic Guaranty Corporation (NGC) or Professional Coin Grading Service (PCGS).
Condition: The condition of the coin is the most important factor in determining its value. Mint state coins that have not been circulated and show no signs of wear or damage are the most valuable.
Rarity: The rarity of the coin also affects its value. The 1860 silver dollar is not a particularly rare coin, but some varieties, such as the "S" mint mark variety, are scarcer than others and can command higher prices.
Collectors: Overall, the value of an 1860 silver dollar in mint condition can range from a few hundred dollars to several thousand dollars, depending on the specific condition and rarity of the coin. It's important to consult with a professional coin dealer or numismatist to obtain an accurate appraisal of its value.