Kush Smoke 13 Scammed me

Link to scammer's Sythe profile: http://sythe.org/member.php?u=297479
Briefly explain the trade: I was to go first to him in a 3 month jagex card trade and he scammed me in picture shows him accepting trade with me, and that he logged off runescape second name down
How they scammed: i went first in a 3 month pin trade and he accepted trade logged right after giving me a fake pin
Proof that you were not talking to an impostor: he added me in game too on rs name same as his sythe profile Kush Smoke 13
Trade screenshots:

 

Banned.