1847-O

The 1847-O Seated Liberty Quarter is a New Orleans branch issue from the second year of quarter production at the southern mint, struck at 368,000 pieces under the original 6.68-gram standard. New Orleans had been coining quarters intermittently since 1840, and 1847 represented one of the steadier years for the denomination at the branch, though the mintage still ran well below contemporary Philadelphia output. The economic context that absorbed the issue is straightforward. New Orleans was the second-largest U.S. port through the late 1840s, and the cotton, sugar, and river-freight trades that flowed through the city ran heavily on federal silver because state-bank paper from Texas, Mississippi, and Alabama often traded at discounts steep enough to make hard money the preferred medium for cash transactions.

Strike characteristics on the 1847-O follow the well-documented New Orleans pattern of the period: softness through Liberty's hair behind the ear, occasional weakness on the central shield rivets, and recurring lightness on the eagle's leg and claw detail. These are production artifacts from lower press tonnage and dies kept in service longer than ideal at the branch, and reading them as striking traits rather than as wear is the central grading discipline for the date. The mintmark sits on the reverse below the eagle, the standard pre-1892 position for branch coinage. Larry Briggs, whose Comprehensive Encyclopedia of United States Liberty Seated Quarters is the standard die-marriage reference for the series, catalogs the issue without major separately-priced varieties. Authentication starts with weight on a genuine pre-Arrows piece, which should fall within roughly 6.60 to 6.74 grams; the post-1853 standard of 6.22 grams indicates a wrong-era planchet. The O mintmark must be cleanly struck and correctly positioned. Added-mintmark counterfeits, in which an O is engraved onto a common Philadelphia 1847, are the principal alteration risk for the date and are reliably caught by PCGS, the Professional Coin Grading Service, and NGC, the Numismatic Guaranty Company, in their slabbing process.

For a date-and-mintmark set, the 1847-O is meaningfully scarcer than the same-year Philadelphia issue and noticeably tougher than its 368,000 mintage might suggest, because the silver-export pressure of the early 1850s combined with the heavy commercial use of branch-mint coinage to thin out survivors. PCGS and NGC certified populations skew sharply to circulated grades, with Good through Very Fine examples available with patience but Extremely Fine and About Uncirculated pieces requiring real searching. Mint State coins exist but are decidedly scarce, and any properly graded uncirculated example commands a strong premium over the same-grade Philadelphia coin. For the broader story of Gobrecht's design and the series' production arc, see the Seated Liberty Quarter series history.