Close
He's a scammer, probably that key is mine and was used by him (a friend tried the key and have a message "key used").
http://i.imgur.com/T3PmhlA.jpg
http://www.steamtrades.com/trade/af3y1/misuse-of-feedback-impersonators-alert/search?page=13
ive read that scammers are also doing that with already used titanfall keys lol.