Watch List notes:

USA (New Orleans mint), half dollar seated Liberty, 1858-O, from the SS Republic (1865), encapsulated NGC Shipwreck Effect, in promotional case. KM-A68. UNC for details, still lustrous with slightly speckled surface from sea water immersion. NGC #1794940-278. From the SS Republic (1865), in promotional case with certificate and DVD. (Estimate: $500 - 750)