Watch List notes:

Britannic Empire, Carausius (287-293), AE Antoninianus, October 290 - March 291, C Mint = Camulodunun (Colchester ?), IMP C CARAVSIVS AVG, laureate, draped and cuirassed bust right, rev. PROVID AVG, Providentia standing left, holding patera and cornucopiae, S-C across fields, C in exergue, 4.20g, 7h (RIC 355 var.; Cohen 262 var.; Shiel, The Episode of Carausius and Allectus, BAR 40, 1977, no. 174ff), a trace off-centre, otherwise delightful uniform dark patination, extremely fine, rare in this exemplary condition.
Provenance
Gorny and Mosch, Auction 211, 4 March 2013, lot 671
Estimate: £300 - £400