Vintage Black Denim Jacket

Purchased new at Saks Fifth Avenue in Palm Springs, CA, December of 1989 and lovingly stored for years, this one is special. Black denim, 3 working pockets, shoulder pads, I think I might even have spare buttons. No size tag, listed here as medium, please refer to measurements. Approximate measurements (laid flat): Pit to pit 20" Sleeve 22.5" (from end of lapel) Length 19.5" Waist 18"