Vintage Sheri Martin Two Layer Tie Back Dress Marked Size 18 Runs Much Smaller

Vintage Sheri Martin Two layer dress with "faux" long jacket attached over the dress Jacket buttons up the front Short sleeved jacket, sleeveless dress Zips in the back and also ties at the waist Dark cream color with pink and purple floral print on the jacket Vintage size 18 but runs much smaller Good used condition Measurements (flat lay and approximate) Shoulder: 17 inches Bust: 20 inches Waist: 20 inches Length: 35 inches jacket, 39 inches dress