Vintage Lightweight Blazer with Embroidered & Eyelet Detailing Size S

There is no care or material tag. Those became mandatory in the USA around 1971, so I'm guessing either it's that old or perhaps it was removed. There is no discoloration, so most likely newer. VGUC, feels like 100%cotton. Wooden buttons, unlined. Approximate Measurements: 19 inches pit to pit 23 inch long sleeves 25 inch long body Eyelet, embroidery. spring, summer, lightweight, career, office, cottagecore, brunch