Hyperpyron of Isaac II Angelos (1185-1195)https://www.doaks.org/resources/online-exhibits/byzantine-emperors-on-coins/the-komnenoi-and-angeloi-1081-1204/hyperpyron-of-isaac-ii-1185-1195https://www.doaks.org/@@site-logo/Sitewide Display 1200x630 02.03.23.png