Promotional items - Official TF2 Wiki

Foppish Physician - Official TF2 Wiki Business pants, Forever red, Chicken hats

Lo-Fi Longwave - Official TF2 Wiki

Steam Workshop::TF2 Schema Changes - New Limited Items

Athletic Supporter - Official TF2 Wiki

Audio File - Official TF2 Wiki

Wiki Cap - Official TF2 Wiki

Team Fortress 2 teams up with Sleeping Dogs to bring you The Triad Pack

Tough Guy's Toque, Team Fortress Wiki

Steam Community :: Screenshot :: Oh yes. How to obtain the Wiki Cap

Discovered today that by buying an item through the TF2 wiki, you can gain a Mann Co. Online Cap. I thought getting this hat was impossible due to the site shutting down

Lugermorph, Team Fortress Wiki