As one of its daily deals, All4Cellular offers the refurbished Belkin Grip Edge Leather Case for Apple iPhone 4 / 4S
in Black for $2.95
with free shipping
. That's $27 under the lowest total price we could find for a new one, and the cheapest leather iPhone 4 / 4S case we've seen. It features a shock-absorbing, grippable edge, suede lining, leather back exterior padding, and more. Deal ends today.
Note that it's designed for the AT&T models. A 90-day All4Cellular warranty applies.