Watch List notes:

USA (New Orleans mint), half dollar seated Liberty, 1861-O, Louisiana issue (die W-07), encapsulated NGC SS Republic Shipwreck Effect (A) AU. Choice AU with very minimal signs of saltwater corrosion, significant luster. NGC #1798298-088. With salvager's certificate. S.S. Republic, sunk in 1865 off Georgia

Estimate: $400-600