Classic Single Flap Large Caviar Leather BagA Chanel Classic Flap Bag in luxe caviar leather. The Flap Bag has a storied history: it was first debuted by Gabrielle Coco Chanel in the '50s and then later re envisioned by Karl Lagerfeld in the '80s. In 2005, Lagerfeld rereleased Coco's original 2. 55 design as the Reissue (2. 55 refers to the month and yearFebruary 1955of Coco's original design). The Flap Bag comes in many different styles. The most common materials are calfskin, lambskin, and