does anyone know the value of the asian version nes and super mario brothers

[N64 Guy]

in one of my local game stores there is a boxed asian nes with a copy of mario brothers the white cart can anyone tell me how much i should offer him for it as i think it would be a cool addition to my collection?


this is the mario bros he has


Uploaded with ImageShack.us

[larryinc64]

http://www.ebay.com/itm/RARE-NES-ACTION-SET-ASIAN-VERSION-PAL-can-play-NTSC-cartridge-w-out-unlock-BOX-/280900966882?pt=LH_DefaultDomain_0&hash=item41670099e2

There is a NES on eBay for around $100