Jil Sander Black Sheath Dress, Size 40 (German sizing)/M, never worn

Never worn Jil Sander Black Sheath Dress, Size 40 German (Equivarant to US 10) Color Black Black cotton chiffon spaghetti strap sheath dress Lined in cotton Back zip Elasticized back for fit Purchased new from Jefferey in NYC for myself but never got to wear. Approximate measurements (in inches and laid flat) Length: from the top of dress not incuding the strap 23 Pit to pit: 16.5 -17 (Measurements are approximate and there may be some variance)