The ring gold half dollar of 1852. This design is actually struck using the reverse die of a half dime with the other side blank with the exception of the denticles. There are at least 5 known as follows per Akers Gold Pattern book: 1) Smithsonian 2) Chase Manhattan Bank, Smithsonian 3) Boyd, Judd, Wilkison, Paramount, A-Mark, Leidman, 81 ANA 4) Lohr, Wilkison, Paramount, A-Mark 5) Sloss, 79 ANA One of these is ex DeWitt Smith, Brand. 2 unstruck blank planchets exist for this, one ex Wilkison and the other ex Sloss, 79 ANA. A companion gold dollar struck using dime dies also was made as J136/P163. Photo courtesy of Rick Kay from images taken at the Smithsonian.