This is a LV Vernis Pochette Accessories in color Armante which is a deep purple (almost looks black).

Vachetta cowhide leather wrist strap/shoulder strap with a detachable clasp at one end to be secured to your Louis Vuitton handbag, and a top brass zipper. Vachetta is excellent shape.

Interior is a deep purple fabric with a patch pocket.

Year: 2015 from France.