Vince silk shirt dress

Vince silk shirt dress, does go a bit longer in back Dress is new without tags but has a stain on bottom of front left (you can see in 2nd photo) Not sure if it will come of if dry cleaned Size 4 Bold orange/red in colour 100% silk Measurements laying flat Pit to pit 18.5” Waist18.5” Hip19.5” Length 35”