This is a vintage women's suit jacket made by Jones Wear in a size 6.
It is dark gray and features long sleeves, shoulder pads, a button-up front closure, a single vent on the back, and two front faux pockets.
This jacket measures about 18.5" from underarm to underarm when laid flat, 22.75" from top of shoulder to sleeve opening, and 34" from back of neck to bottom hemline. It was made in Taiwan from an 80/15/5 rayon/wool/polyester blend for the shell and 100% acetate for the lining.
It comes in good pre-owned condition.