SASANIAN KINGS. Šābuhr (Shahpur) I. AD 240-272. Æ Unit (16mm, 2.37 g, 3h). Uncertain mint. Phase 1a, circa AD 240-244. Bust right, wearing diadem and mural crown with korymbos / Fire altar, attendants flanking. SNS I Type IIb1/1a, Style Abis; Sunrise –. Green patina, light smoothing. VF.