I can order 1 of these keys for someone then sell it.

Patrician IV - Steam Special Edition
Tropico Trilogy
(Back to the future the game
Sam & Max : Devil's Playhouse
Poker Night at the Inventory
Hector : badge of Carnage
Puzzle Agent 1 & 2
Wallace & Gromit's Grand Adventures ) <- counts as one
Battlefield 2 special forces cd-key
Mount and blade with fire and sword