Mint condition iPhone 4, blocked ?

Hello, i am a blocked iPhone 4, brought it working but the owner decided to block it after paying 200 for it!really cant believe it :/ Now i am forced to sell it to at least get most of my money back. The phone is black and in mint condition Cash on collection or i can post it up to you. I can send you pictures if you have iMessage or whatsapp, just cannot upload them right now, apologies. Any questions then please call or text on 07516897760