Carus, AE potin tetradrachm, Alexandria, Year 283-284 AD. 7.49; 21mm. Obv: QE-WKA-PW CEB, laureate head right. Rev: AFIER-WCIC, round, garlanded altar on rectangular base, with fire on top. Emmett 3995; Milne 4716 Scarce. With permission of Roma Numismatics, October, 2010