All4Cellular offers this Screenshot Illusion Case for iPhone 4 and 4S in Purple/Black for $7.95. Coupon code "DEALNEWS" cuts it to $1.95. With $2 for shipping, that's the lowest total price we could find for this design by $6. This back cover features an iPhone front "screen shot". (It's for protection -- keeps other smartphones from sneaking up your iPhone.) Deal ends May 14.