CTCStore (Fulfilled by Amazon!) has the Acase Superleggera PRO Dual Layer Protection case [ctcstore.com] for Apple iPhone 4/4S in Red for just $5.95 after applying coupon code “K47QKNCD” at checkout. Free Prime 2-day shipping, or spend $25 to get super saver shipping.
This is an EXCELLENT case at a very low price. 43 customer reviews, 5 STAR overall rating!
Fits AT&T, Sprint and Verizon iPhone 4 and 4S.
The coupon only applies to the red/black case in the link ( it doesn’t work for other colors)
Limit one coupon use per account, so if you want more than one, just use separate accounts.
(thanks to dealnabber @SD)