Yves Saint-Laurent blue silk dress, made in Italy

Stunning vintage Yves Saint-Laurent sapphire blue shift dress. (Guessing from the 80s) 100% silk. Made in Italy. Authentic, high-end luxury Scoop neck Gathered cap sleeves Size tag is missing. I’m guessing it’s a medium, but please check measurements. Fit is loose. You can also belt it, as shown in photos (Belt shown not included) Hand wash Previously used Pit to pit: 22” Bottom of scoop neck to hem: 32” Hips: 22”