No.21. Little black cocktail dress. Sz Italian 40. Roughly a US sz. 4. Beautifully tailored. Partially lined. Lots of fun ruffle detailing. Petal buttons, and front pockets. I have never worn it. Purchased on TheRealReal. Beautiful condition. No seeable flaws. Upper blouse section is silk. Skirt is crepe. Skirt is fully lined. Across bust: 19” Across waist: 15” Sleeves: 25” Length: 37.5” Please ask all questions. Am always open to reasonable offers.