That one has a great reverse, makes up for some mushiness on the obverse bust. The date and headgear define it as Kusru I. I assume the seller gave you the details of the date and mint? The reverse writing is really clear, better than most Kusru I I've seen. Congrats!
Nice looking coin, stainless. As was previously said, give us some details for those of us that have no clue what it is.
Stainless, it is Khusru, but the one you refer to by reign is his grandson (Khusru II). Your coin is from Khusru I (531-579 AD). The date of the coin is regnal year 46, or 576 AD. The mint signature looks like WYHC to me, which refers to either Fars (southern Iran) or an area in central Iraq.
Wow, you know about coins thanks for the help! I've been trying to figure out the exact year and reign since I got it yesterday. no one on Forvm knew. stainless