[H] Black ops 2, Bioshock infinite, Far Cry 3, 60$ Steam wallet [W] Assassins Creed 3 Deluxe

what does the [H] and [W] in the title mean?

and how much for black ops 2: http://www.steamtrades.com/trade/KV71D/black-ops-2-wanted-urgently

i add you

Dishonored row + other