Numerian, AV Aureus, Rome mint. AD 283. 22mm. 4.52 gr.

IMP NVMERIANVS PF AVG, radiate, cuirassed bust right with
ties on each shoulder.
SALVS AVGG, Salus seated left by altar, holding patera and
resting left arm on the throne, feeding serpent rising 
from the altar. 

RIC V-2, 404; Cohen 86; Calico 4315; Sear 12234. 

Sold for $18,600.