I'm thinking Mahdi is the model/line and Napre Japan is the manufacturer.
My guess is it's an older style, not found on their website anymore
http://www.naprejapan.jp/
If they're real 2 or 3 piece wheels, they might be worth $800 to $2000. Depends if they're forged, sizes and off sets. And of course what you (or any buyer) is willing to pay.