Watch List notes:

Divus Nigrinian. Died ca. A.D. 284. Æ antoninianus (22.4 mm, 3.37 g, 6 h). Rome, A.D. 265. Rare. DIVO NIGRINIANO, radiate head right / CONSECRATIO, eagle standing facing, head left, with wings spread; KA(crescent)A in exergue. RIC 472. Fine, black patina with red deposits. Ex CNG.