iphone 4 16gb in white - blocked/not working *

Here we have my iphone 4 in white which is a 16gb i lost this phone almost 6 months ago and gave up getting it back and bought a new iphone it was returned to me yesterday by the police but it was blocked when i lost it just the phone for sale as i am using the charger for my new phone this is a 100% genuine phone and not stolen, proof of who i am and a written/signed recipt can be given