Tanga offers the Speck StyleFolio Case for iPad Air in Black for $5.99 plus $3.99 for shipping. That's the lowest total price we could find for this case by $18. It functions as a multi-angle viewing stand and features a synthetic leather cover, an anti-scratch interior, and a hard shell exterior.

Note that this item will ship in five to ten days.

Update: Coupon code "SWEET10" now cuts this to $5.39.