Maximinus AV Aureus, AD 235-238, Rome mint. 20 mm. 6.03 gr. 

IMP MAXIMINVS PIVS AVG, laureate, draped and cuirassed bust right. 
SALVS AVGVSTI, Salus seated left, feeding serpent rising from altar.

RIC IV-II,14; Vagi 2000; Calicó 3163; Cohen 83; Sear 8304. 
Very rare.

With permission of Numismatica Ars Classica, Dec. 2012.