About Uncirculated grading is just a shade below mint-state quality. AU coins possess original luster, but just a trace of wear at highest points can make them far more affordable. The historic 1879-O New Orleans Mint issue has special collector appeal as the first Morgan silver dollar of the Old South. An epidemic had closed this branch mint the previous year, when other U.S. minting facilities introduced the Morgan dollar. It was the first time the New Orleans mint had issued coins since the Civil War erupted in 1861. Its 1879 mintage was just 20% of Philadelphia's. About Uncirculated quality.