Chitek offers the Acase Superleggera PRO Dual Layer Case for Apple iPhone 4 / 4S in Black for $13.95. Coupon code "KZ9KLH2E" cuts it to $6.95. With free shipping, that's a $7 drop, tied with our mention from last week of it in white (since expired) and the lowest total price we could find. This case fits the iPhone 4 / 4S for AT&T, Verizon, and Sprint. Deal ends November 14.