1876-S

San Francisco delivered 8,596,000 quarters in 1876, the largest S-mint quarter output of the Seated Liberty era and a tenfold step up from the 680,000-piece 1875-S production. The U.S. Centennial year drove broad demand for circulating subsidiary silver across all three operating mints, and San Francisco's share of the response was a sustained run that sat between Carson City's 4.9 million and Philadelphia's 17.8 million. Design remained the post-Arrows With Motto form: the motto "IN GOD WE TRUST" on the banner above the eagle, the S mintmark below the eagle, no arrows at the date, and the 6.25-gram weight standard from the Coinage Act of February 12, 1873.

What collectors examine on the issue starts with strike. San Francisco quarters of the mid-1870s carry their reputation for typical softness at the central shield and on the eagle's right leg, and the 1876-S is no exception; full-strike pieces with crisp shield horizontals trade at a meaningful premium over average examples. The S mintmark should read cleanly without evidence of recutting or addition. Authentication concerns at the date level are modest given the eight-million-plus mintage, but altered-mintmark work starting from a common Philadelphia host occasionally targets the S-mint issues, and the small mintmark punches used in this era make a clean comparison against verified-genuine examples worthwhile. The drapery at Liberty's elbow should be sharply defined; a genuine planchet falls within tolerance of 6.25 grams.

Population data from PCGS, the Professional Coin Grading Service, and NGC, the Numismatic Guaranty Company, shows the issue is common in circulated grades through Extremely Fine and reasonably available in About Uncirculated. Mint State examples are scarcer than the raw mintage suggests, and MS64 and above is a real condition reach because so few unworn coins survived the routine commerce of the late 1870s and 1880s. For a date-and-mintmark set builder, the 1876-S is an easy target in circulated grades; collectors working toward Mint State should be patient and selective on strike quality, since soft pieces in slabs are far more common than fully struck ones. For the broader story of Gobrecht's design and the series' late-1870s production, see the Seated Liberty Quarter series history.