This is a Ben Zuckerman coat in a dark, possibly black,  wool from 1957. It's super feminine- with 3/4 length sleeves  and a slight a-line shape.

 

 It's a suit, it's a dress, in Anglo wool twill. Ben Zuckerman's super suitdress, designed for I Magnin.

 

From Town & Country, September  1955- an Anglo wool suit with a 7/8 length topcoat by Ben Zuckerman. Hat by Irene  of New York. Kislav gloves.