[H] 2 TF2 keys [W] Payday 2 (opening 4-pack)

I trade 2 keys for opening the 4 pack

1) I'll trade you 12 keys for the 4-pack (payday 2)

2) I open the 4-pack.
3) I will keep 1 copy and 3 extra gifts I return back for 10 keys.