This is  J Crew women's black sequined silk skirt. 
Features -
Hidden side zipper with hook & eye 
Wool Tweed trim 
Fully lined
Material: 
Body - 100% silk
Lining -100% acetate 
Bottom trim - 57% acrylic, 17% fleece wool, 12% wool, 6% silk, 8% polyester/nylon
Women's Size - 2
Please see last picture or measurements