This is a beautiful Ben Zuckerman coat, once part of a suit. It is made of charcoal wool and is double breasted with corde buttons.
This coat dates from the mid to late 1960's.
Photos courtesy of Ritual Vintage.

This stunning Ben Zuckerman suit, in heavy charcoal wool, dates from the late 1950's, though the style itself is timeless.
The skirt is longer and plain in style, and the jacket is long and has asymmetrical buttons going down the left side of the jacket.
Photos courtesy of Dressing Vintage.

This is a Ben Zuckerman cocktail suit in silver lame. The jacket is single breasted with diamante buttons and a placket where the button holes are.
The skirt is lovely and has an interesting feature- an 'x' that has been stitched on the waistband to indicate the front of the skirt.
Photos courtesy of MSKP401.