Vintage 1980s Miss Dorby Vintage Blazer

Miss Dorby Vintage Blazer Circa: 1980s No Size tag - Designer tag says "Petites" but there isn't anything 'petite' about the jacket, see measurements. Listing as Medium please go by measurements for fit. 3/4 Cuffed Sleeves Length 30" Laying flat across the chest 21" Open style, no buttons or zip. Excellent condition. Code 90