Silver, 2.82 grams, 20.25 mm, 18.38 mm. Rome. 227 AD. Obverse: IMP C M AVR SEV ALEXAND AVG, laureate and draped bust right. Reverse: PAX AETERNA AVG, Pax standing left, holding branch and sceptre. RIC 165; RSC 183; Sear 7886. Extremely fine.