DIADUMENIAN. As Caesar, 217-218 AD. Æ Sestertius (30mm, 26.37 gm, 12h). M OPEL ANTONINVS DIADVMENIANVS CAES, bare-headed, draped, and cuirassed bust right, seen from front / PRINC IVVENTVTIS, S C in exergue, Diadumenian standing facing, head right, holding legionary aquila in right hand and cradling baton in left arm; legionary aquila and military standard in right field. RIC IV 211 (same obverse die); Clay Issue 2; Banti 3; BMCRE 149 (Macrinus; same obverse die); Cohen 7. Good VF, red-brown patina with areas of green and black. Very rare.
Ex Triton II (1-2 December 1998), lot 967; Numismatica Ars Classica 10 (9 April 1997), lot 658; Spink Taisei 52 (with Numismatica Ars Classica, 26-27 November 1994), lot 2263 (expertly conserved since).
