1860-S

San Francisco delivered 35,600 quarter eagles in 1860, the seventh annual production from the branch since coining operations began in 1854. The figure sits in the modest middle range for the early San Francisco quarter eagle run, well above the inaugural 246-piece 1854-S but a fraction of what the Pacific facility produced in larger gold denominations the same year. Western bullion continued to route preferentially into half eagles, eagles, and especially double eagles, where commercial demand on the Pacific Coast and Asian trade circuits absorbed nearly everything San Francisco could strike. The quarter eagle denomination served a domestic role that the West Coast economy did not particularly require, and the 1860-S reflects that secondary status in both its modest delivery and its punishing survival rate after entering general circulation.

Authentication starts with the S mintmark below the eagle on the reverse. The genuine San Francisco punch shows a balanced curvature with consistent stroke width and proper geometric placement relative to the tail feathers, and counterfeiters working from common 1860 Philadelphia hosts produce mintmarks that read too thin, too sharp, or sit at the wrong angle. Examination under 5x to 10x magnification should confirm undisturbed metal flow into the punch perimeter, with no solder transfer or tooling disturbance in the surrounding field. The S geometry against the verified San Francisco working dies catches added-mintmark alterations that would otherwise pass casual inspection. Weight at 4.18 grams against the 0.900 gold alloy and 18-millimeter diameter against the reeded edge filter out base-metal fabrications and underweight casts.

Survivor population estimates run in the 150 to 250 range across all grades, concentrated in Very Fine through Extremely Fine after decades of West Coast commercial use ground down original detail. About Uncirculated coins appear at major auctions with some regularity but command meaningful premium for original surfaces and honest skin, since many examples have been lightly cleaned or dipped over the generations. Mint State pieces are genuinely scarce, with most graded MS60 to MS62 and finer material a true condition rarity. See the full Liberty Head Quarter Eagle series history.