Watch List notes:

SASANIAN KINGDOM: Hormizd IV, 579-590, AR dirham (3.49g), G-200 style, barbarous symbols instead of mint & date, probably a North-Eastern imitation from the Hunnic regions, and struck to a lighter standard of that region, probably struck at some point in the 7th century, likely after about 640 AD; very interesting example, bold EF, RR.

Estimate: 100-150 USD