Three-Piece CSA Die Progression Set of 1861-O Liberty Seated Half Dollars. (NGC).;The coins are housed together in a single large size NGC holder. Included are: United States Issue, Normal Die; Confederate States Issue, Pre Die Break; and Confederate States Issue, Post Die Break. The NGC holder does not provide a grade for any of the coins; our grade for the trio is MS-60 Shipwreck Effect. This lot includes the original wooden box and Certificate of Authenticity as issued by Odyssey Marine Exploration. <strong><em>The supporting items are available to the winning bidder upon request to Stacks Bowers Galleries after the close of the auction</em></strong>. (Total: 3 coins);Ex <em>S.S. Republic</em>.