$500 · yardman ride on mower

hi I have a yardman ride on mower that was sold by home hardware at one time . this lawnmower is built by mtd metal tool and die company they were the exactly the same mower as the mtd the only difference is the decals on the hood that say yardman this is a very clean great running mower for its age the whole tractor is made of metal except the grass chute protector that is made of plastic it is really well built it has a 12 hp briggs and stratten that runs real nice . I want 500.00 for it