CTCStore offers the Acase Superleggera PRO Dual Layer Case for Apple iPhone 4 / 4S in Black for $12.95. Coupon code "4N93EOCL" cuts it to $5.95. With free shipping, that's tied with our mention from a week ago and the lowest total price we could find by $7. This case fits the iPhone 4 / 4S for AT&T, Verizon, and Sprint. Deal ends February 15.