Vintage Floral Pattern Blazer Top

Found this one in my mom's closet, she would have purchased it new, it's in excellent condition. The material is sort of like a soft and light upholstery with a black floral pattern. Tag say size 14... please refer to measurements. Decorative pin is included. (Mannequin is a size 6). Approximate measurements (laid flat): Pit to pit 21" Waist 20" Length 24" Sleeve 24"