Vintage 70's YSL Rive Gauche Wool diagonal Plaid Cardigan

This vintage Yves Saint Laurent Rive Gauche sweater is a beauty. I believe it's from a fall collection in the 1970's. All wool knit in a diagonal plaid pattern in fall tones of brown, orange, yellow and dark brown. Banded cuffs, collar and patch pockets. Original tags- size 36, style763, made in Paris, France. Plastic buttons down the front. Good, clean condition, no pulls, spots or issues. measurements, when laid flat are: armpit to armpit 19.5" shoulder to shoulder seam 16" shoulder to hem 31" sleeves 21" bust 15" bottom hem across 19"