850-970 AD, Post Shahi, from the region of present day Pakistan. 2nd image shows a mounted horseman with a long lance.
Here is one of my favorite coin images: "The king called, and everyone came. With God for King and Fatherland"
I have maybe a 100 riders on horse numismatic items (give or take) among my horses collection. You can view them in a custom set on NGC’s site here.
Here is a Charles I halfcrown, struck right in the middle of the English civil war. Obverse shows the king on horseback in a power pose