Cup of Solomon

…of Khosrow I—known as the Cup of Solomon and, according to one tradition, a gift from the caliph Hārūn al-Rashīd to Charlemagne—is perhaps the most sumptuous specimen of Sāsānian metalworking. The art of gem engraving produced many fine intaglio stamp seals and cameos. The coins invariably bear a Pahlavi inscription;…