Carausius usurper in Gaul & Britain, BI antoninianus rev. Salus, uncertain mint
obv. [IMP CARAVSIVS P]F AVG, radiate, draped and cuirassed bust right
rev. [SALVS AVG or PAX AVG] Salus standing left, feeding snake arising from altar and holding sceptre
mint: uncertain British mint ca. 286-293AD