I have a Byzantine solidus of Constans II and Constantine IV, graded Mint State by NGC. I saw one in mint state recently sell for $1600. Mine has greater eye appeal (imo). Asking $910. Paypal or money order. Shipped USPS insured. Here is the one that sold for $1600: http://www.acsearch.info/search.html?search=similar:539793&view_mode=1#0