Roman Empire. Carausius (The Usurper), 286 AD. AE Antoninianus. Pax Reverse. London Mint.
 
Obv: Radiate, draped, cuirassed bust right. Rev: PAX AVG, Pax standing left, holding branch and scepter, SP each side. MLXX(I) in exergue.
 
Reference: RIC. 118.
 
A rich tone, some surface marks and some surface residue, a strong portrait.