Watch List notes:

Nigrinian, son of Carinus. Divo Nigriniano. Antoninianus 283-284, billon 3.93 g. DIVO NIGRINIANO Radiate head r. Rev. CONSECRATIO Eagle standing facing with spread wings, head l. In exergue, KAA. C 2. RIC Carus 472.
Rare. Struck on a broad flan and with most of the original
silvering still visible. Good very fine