The Three Cents coin was struck in the United States from 1851 to 1889 and is notable for its distinct denominations. The Nickel Three Cents, introduced in 1865, replaced the earlier silver version and featured a composition of 75% copper and 25% nickel. The 1866 Nickel Three Cents coin is of particular interest to collectors due to its historical context and lower mintage numbers, making it a significant piece within the collectible coin market. Coins from this era often show variations in design and are sought after for their unique characteristics.