Severus Alexander (222-235). BI Tetradrachm, Alexandria mint, Egypt. Obv. Laureate, draped and cuirassed bust right. Rev. Head of Serapis right; in field, L-B (= regnal year 2= 222/3 AD). Dattari (Savio) 4344. K &G 62.32. BI. g. 12.96 mm. 24.00 Brown tone with silvery hues. Good VF.