Multiple scammers are creating fake items that look like CS:GO, DOTA2, and TF2 items from their own worthless games, which are difficult to tell from real ones.

Update: Valve has made some interim changes to address this issue. If you see any warnings in your trade window, make sure you pay extra careful attention. Read more. Original PSA.
Login via Steam

Donators

Donator - Tier V
191 donators
Donator - Tier II
78 donators
Donator - Tier I
90 donators
Donator (Legacy)
125 donators

Valve and Steam are registered trademarks of Valve Corporation.
SteamRep is hosted by the non-profit Online Fraud Prevention Foundation and is not affiliated with Valve in any way.