Mobilepros1 via eBay offers the refurbished Unlocked Apple iPhone 5s 16GB Smartphone for GSM Networks in Space Gray or Silver for $179.99 with free shipping. That's $8 below our mention from yesterday and the lowest total price we've seen for an unlocked iPhone 5s 16GB. (It's a current best for a refurb by $8.)

Note: No warranty information is provided.