Groupon offers the refurbished No-Contract Apple iPhone 4 16GB Smartphone for Verizon in Black, model no. MC676LL/A, for $69.99 with free shipping. That's $45 under our refurb mention from March and the lowest total price we've seen for this model. (It's also $49 below the best price we could find for a new one today.) Deal ends July 16.
Note: No warranty information is provided.