It's the eyepatch from the Hutt Embargo reputation vendor. I forgot the name now, sorry, but you just need to be newcomer to get one.
Outsider reputation actually, I just got it for my Operative Hasina (formerly Hasinora).
Here's a pic of her arriving at the "Apocalypse Party" on Corellia:
Hair blowing in the wind! The day needs her saving expertise!
And here's a picture of her getting a phone call from Darth Marr:
Lastly here's a picture of her wearing the Enforcer's Eyepatch (hence why I mentioned it):