I have a few of these codes. 20 DRK each. PM for code transfer.
http://www.ebay.com/itm/Battlefield-4-PC-Voucher-/251443222411?pt=LH_DefaultDomain_0&hash=item3a8b2f178b
More info from AMD
http://sites.amd.com/us/promo/battlefield/Pages/battlefield4.aspx