Vintage Express Silk long Top blouse size Small

Vintage Express 100% Silk Shirt blouse, long sleeve with button cuffs, front button and 2 front pocket button closure, rounded bottom. Long length and loose fitting with tapered sleeves. In very good pre owned vintage condition, a light spot back of top right sleeve hard to see in photo, no other flaws noted. Measuring 30 inches long, 18 across shoulders, 20 armpit to armpit. Please ask any questions thanks!