Vintage 1980’s Designer Issey Miyake Heavy Textured Sweater Vest Italy

Made in Italy 1980’s HTF. No fabric tag but appears to be wool - could be blend. Excellent condition with only flaw I can detect is stitching has come separated where right pocket is attached on the inside. Please see photos. Purple and burgundy/brown with 5 button front and pockets. No size tags but appears to be women’s large. plz check photos for measurements.