panasonic viera 50inch 3d internet ready tv 4 month old ?

hi, i am very reluctantly selling my viera smart tv,its 50inch,3d and internet ready,comes with 2 pair of 3d glasses,this tv is 4 month old and in immaculate condition and working order with crystal clear picture and sound,its wall mounted but i have the base stand, 1 pic is of before i wall mounted it and the other is it wall mounted.. i will accept a 42 inch tv plus 500 NO TIME WASTERS beautiful tv and really reluctant to let it go but i must