$50 iTunes Gift Card for $40 - US Mail Delivery
貌似是实体卡
http://9to5toys.com/2015/06/08/itunes-gift-card-sale-2/
http://www.ebay.com/itm/50-iTunes-Gift-Card-40-US-Mail-Delivery-/261914536247?pt=LH_DefaultDomain_0&hash=item3cfb52a937&rmvSB=true