SASANIAN KINGS. Shahpur I, 240-272. Drachm (Silver, 24 mm, 4.41 g, 3 h), mint I ('Ctesiphon'), 244-252/3. Crowned bust of Shahpur I to right. Rev. Fire altar flanked by attendants. Göbl type I/1. SNS Type IIc/1a. Struck from a corroded obverse die, otherwise, extremely fine.