1881-S

The 1881-S sits at the tail end of the San Francisco Mint's first decade producing With Motto Liberty eagles, struck in a year when all four operating U.S. mints rolled out ten-dollar gold. With a recorded mintage of 970,000 pieces, it ranks among the highest production figures San Francisco posted for the denomination during the 1880s, and the coin earns its identity less from rarity than from the machine-precision look of late-period Coronet striking, squared rims, fully impressed star centers, and the satiny rolling-mill luster that Carson City eagles of the same vintage rarely match.

Authentication on common-date San Francisco gold tilts toward catching cast counterfeits rather than spotting altered mintmarks. A genuine 1881-S weighs 16.718 grams and measures 27 mm across; light or undersized pieces, soft pebbled fields, mushy denticles, or seams along the reeded edge all point to cast or struck fakes that have crept into the trade. The S mintmark is a clean, evenly footed punch nestled below the eagle's tail feathers, anything tilted, blobby, or sitting in raised disturbed metal warrants a second look. Strike is generally bold on this date, so weakness in the eagle's neck feathers or Liberty's hair curls more often signals wear than die fatigue.

Population data underscores how steeply the date climbs from "available" to "condition rarity": PCGS reports several hundred grading events through MS62 but only a few dozen finer, with the curve falling off sharply above MS63. A Heritage offering of an MS62 PCGS example traded near published wholesale levels, making the date one of the more accessible entry points into late-19th-century San Francisco gold for collectors building a circulated or low-mint-state type set. Buyers stretching for MS63 and above quickly leave common-date pricing behind and enter genuine condition-census territory. For broader context on the design's evolution and the role each mint played, see the Liberty Head Eagle series history.