Amazon offers its Prime members the STM Bags Opera Case for Apple iPhone 5
in Gray (pictured) for $15.29
with free shipping
. (Non-members can spend $25 or more to qualify for free shipping; otherwise, shipping adds $5.09.) That's the lowest total price we could find for this case by $7. Sales tax is added where applicable.
Prefer a different color? Amazon offers it in Blue for $16.60, White for $16.71, and Pink for $18.13.