Vintage legacy Coach messenger bag in black leather. Style number B7C 5180. Adjustable strap and brass hardware. One exterior pocket under the flap. One interior small pocket. In very good condition, showing light wear overall. See last photo. 

Length top to bottom - 10 inches
Width across bottom front - 14.5 inches
Depth front to back - 3 inches
Strap total length - 40 inches