Corrupt arabic "Sha' id" (?) 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. 24mm, 2.87 grams. BM Arab-Sassanian coins #b5. Walker, Arab-Sassanian, p. 163, b4.Rare type, extremely rare this nice!