An illustration of a Da Yuan Tong Bao (大元通寳) cash coin issued by the Mongol Empire.
Sven Osterkamp (scans)
<ul><li><a rel="nofollow" class="external text" href="https://mobile.twitter.com/schrift_sprache/status/1222258965523894272">波鴻漫錄 || Sven Osterkamp (@schrift_sprache) - Mongol Empire cash coins</a> (<a rel="nofollow" class="external text" href="https://mobile.twitter.com/schrift_sprache/status/1222258965523894272/photo/1">Image 1</a> / <a rel="nofollow" class="external text" href="https://mobile.twitter.com/schrift_sprache/status/1222258965523894272/photo/2">Image 2</a>).</li></ul>