Casual Isles Vintage Silk Button Up Blouse Womens Medium Southwest Abstract

Vintage, 100% silk, southwest colorway, abstract print, button up, short sleeve, blouse by Casual Isles in a size Medium. Colors include terracotta, orange, blue, green, black and cream. Hand washable. Approximate measurements shown in photos. It looks like an 1980s piece to to me but could be 90s. In great pre-owned condition.