Kufic and Bukharan legends around bust, crowned Sasanian-style bust right / Fire altar with ribbons and attendants; crowned bust left in flames. Imitating Sasanian king Bahram V. 26mm, 2.65 grams. BM Arab-Sassanian coins #344 ff.
Rare (much rarer than the related type naming Caliph Mahdi).
Al-Amin was the son of the famous Harun a-Rashid.