I created a custom set for Confederate issued coins. This consists primarily of Bashlow restrikes of coins planned for mintage by the CSA but struck from Confederate dies recovered after the Civil War. In addition to those restrikes, the New Orleans Mint produced the only coin to be minted under three governments - the United States, the Republic of Louisiana and the Confederate States of America - which was the New Orleans minted 1861 Seated Liberty half dollar. I have this coin, which was recovered from the wreckage of the SS Republic and then graded by NGC as "Shipwreck Effect (A) AU" and states that the coin was "Confederate States Issue". I would like to add this coin to my custom set, but it requires a new slot/row that recognizes this coin. I would also be very interested to read any discussion by NGC on how it is able to determine the issue by either the U.S., the Republic of Louisiana or the CSA, which was a span of only three months - February to April 1961.