Diocletian, struck by Carausius, usurper in Britain AD 287-296, Æ antoninianus. London mint, IMP C DIOCLETIANVS PF AVG, rad. cuir. bust r., rev. PAX AVGGG, Pax stg. l., SP in field, in ex. MLXXI, wt. 4.70gms. (RIC.6), well struck with a dark patina, nearly extremely fine, an exceptional example
(120-160 GBP)