Watch List notes:

Severus Alexander. Denarius; Severus Alexander; 222-235 AD, Rome, 226 AD, Denarius, 3.58g. BM-373, C-289, RIC-55. Obv: IMP C M AVR SEV - ALEXAND AVG Bust laureate, draped r. Rx: P M TR P V - COS II P P Togate emperor sacrificing l. at tripod altar. From the Philip Ashton Collection, ex Berk 137, 31 March 2004, lot 413.. MS