• Brand & Model: This is the Coach Chelsea Optic Signature Turnlock Hobo Bag (sometimes listed as a shoulder bag) ``. • Materials & Design: It features an oversized "C" monogram print in a grey and silver jacquard fabric canvas, accented with charcoal/grey patent leather trim and silver-tone hardware. a defining feature of this specific line is the decorative oversized turnlock detail built into the side panels of the bag ``. • Model Code: The creed patch in confirms the style/model number is F17175. The "F" prefix designates that this model was produced specifically for the Coach Factory Outlet line. • Production Date: July 2011