WTB: Arma 2 combined Operations

[clorox420]

I really need to find this for cheap.
Low on income ATM.
I really would like to be able to play Day Z
and show me your vouches.
Pm me please.
I need it to be a gift as well.

 

[Skito]

I have a steam account that I bought it with, but sadly cannot even play it on my pc.

How much is it worth?