I got a spare skin codes left , they are the following
2x riot graves EUW - 10 euro psc each
1x riot graves EUNE - 10 euro psc
3x K9 nasus EUW -15 euro psc
1x pax sivir on eune -20 euro psc
these should be pretty fair prices
if u use a skin code , the champion and the skin will be both unlocked permanently on your account , care at the regions i've said
if u are interested in buying any of em let me know , pm or write here , thanks