YouBuyRite via eBay offers the refurbished Unlocked Apple iPhone 5S 16GB Smartphone for GSM Networks in Space Gray, model no. ME296LL/A, for $319.88 with free shipping.That's tied with last week's mention as the lowest total price we've seen for this model. (It's also $229 under the best price we could find for a new unit.) Note that a SIM card and the Apple EarPods are not included.

Note: No warranty info is provided, and units may show moderate signs of use (scratching/scuffing) on housing and screen.

Looking for more storage? The refurbished 32GB model is also available for $329.88 with free shipping.