You can win a $10 gift certificate to Gioia's, and all you have to do is recognize this sandwich.
Rules: To be eligible, you must leave a valid e-mail address in the comment-entry field. One guess per e-mail address. Employees of the restaurant in question and Riverfront Times are not eligible.
Update: [Wednesday, 6.22, 3:15 p.m.] Congrats to commenter Knoxpf01, who correctly identified that this sandwich came from the Bleeding Deacon Public House!