"al-Mahdhi" behind the bust in Arabic, Bukhar Hudat ("lord of Bukhara") in Bukharan script in front of the bust, crowned Sasanian-style bust right / Fire altar with ribbons and attendants; crowned bust left in flames. Imitating Sasanian king Bahram V. 25mm, 2.96 grams. Album 94; BM Arab-Sassanian coins #319 ff.Rare, especially in such high quality.