Watch List notes:

Diadumenianus (218) - AR Denarius (Rome AD 217, 3.15 g) - M OPEL DIADVMENIANVS CAES Bareheaded, draped bust right / PRINC IVVENTVTIS Diadumenianus standing left in armor, holding baton and spear, two standards to right (RIC 108 / RSC 14a) - XF, cabinet toning, small flan crack