SASANIAN KINGS. Shahpur I. AD 240-272. Billon Tetradrachm (12.40 gm; 26 mm). Ctesiphon mint. Phase 2, ca. 260-272 AD. Draped bust right, wearing diadem and mural crown surmounted by a korymbos; one pellet above and two below diadem ties / Fire-altar flanked by two regal attendants wearing mural crowns, symbol to left of flames. SNS Type IIc/1b, Style P, Group d/1, 151; Göbl type I/1. Choice VF. Toned. Extremely Rare.