A lovely cocktail dress from the 1960s or 70s from Vera Mont Paris, with a boat neck front, V-neck back and a fit and flare waist.  It is made in a green silk satin with short sleeves and a zipper closure in the back.   The label indicates size 40.  Please see the detailed measurements below for your fit.  

The condition is good to very good.  It would use a good dry cleaning

Across the shoulder:  16"

Bust:  36"

Waist:  28"

Sleeve length:  5"

Full length from shoulder:  41"