1878-CC

The 1878-CC half eagle is one of the most important coins ever struck at Carson City. Production reached just 9,054 pieces, placing this date among the three great keys of the CC half eagle series alongside the 1870-CC at 7,675 and the 1873-CC at 7,416. Although the 1878-CC carries the highest mintage of that trio, Doug Winter and other Carson City gold specialists consistently rank it as the rarest in higher grades, where survivors thin out faster than raw production numbers suggest. By 1878 the Carson City Mint was past the peak Comstock years, and most of the facility's energy went to silver dollar coinage. CC gold contracted across the board, with no quarter eagle struck, an eagle of about 3,244, and a double eagle of about 13,180.

Type 2 With Motto specs are standard: 8.359 grams, 21.6 mm, .900 fine gold, reeded edge, CC mintmark on the reverse below the eagle's tail feathers. Counterfeit risk runs high given the coin's value, and authentication should start at the scale, where genuine pieces fall between roughly 8.32 and 8.40 grams. The most common deception is an added CC mintmark applied to a common Philadelphia 1878 host coin. On a genuine piece the two C's sit tightly spaced and slightly tilted, with sharp edges and no raised metal, tooling, or soft halo around them. Strike weakness is the second diagnostic. Carson City dies of this period often produced soft definition on the eagle's neck feathers and upper-left shield lines, and that softness should not be mistaken for circulation wear.

Doug Winter estimates the surviving population at roughly seventy to ninety pieces across all grades, with most known examples falling in the VF to low EF range. AU specimens are genuinely scarce, and Mint State coins are extreme rarities with only a handful confirmed across both major services. A PCGS AU-55 sold at Heritage for $96,000 in 2018, and EF coins regularly trade in the $20,000 to $35,000 range at auction. For collectors building a Carson City gold set, the 1878-CC is a defining purchase that often takes years to secure, and its position as one of the three CC half eagle cornerstones makes it a benchmark for the entire branch mint era. See the full Liberty Head Half Eagle series history.