Designer Guy Laroche cotton blazer, size S (European 40)

Luxury designer Guy Laroche cotton blazer. Lightweight. Off-white light cream color. Two front pockets. 3/4 sleeves. In excellent condition. The inner tag suggests that it was originally made for Japanese market. Not sure how to tell if it is auth., but it is well made and looks very nice. Please refer to pictures for details. Tag size 40 (European), corresponds to Canadian S. Laid flat measurements: 15" shoulder to shoulder 17" pit to pit 16" waist 23" long