selling steam account with black ops and mw2

my steam account inc the following games.
call of duty modern warfare 2 which is level presitge 10 level 70 all titles and emblems
call of duty black ops
left 4 dead 2
counter strike source

This is around $150 worth of games.
offers are $40+ or 50k zp on z8games.
a middle man will be used an official one.

I`m willing to pay you for it but if you give me proof + screens of payement and also we will use an middle man or either you go first.