Diocletianm AV pre-reform Aureus, Cyzicus. AD 286-287. 5.5 g.

IMP C C VAL DIOCLETIANVS P F AVG, laureate, draped and cuirassed 
bust right.
IOVI C-ONSE-RVATORI, Jupiter standing left, holding Victory 
on globe in right hand and sceptre in left.
SC in exergue.

RIC V-2, 295 var (SC in ex. for this obv legend); Cohen 248 var
(ditto); Depeyrot 5/6 (this coin).

With permission of numislanz.de, Auktion 102, lot 972