Black wool jersey singlet dress by helmut lang, 1990s. Narrow spaghetti straps, gently flared cut, horisontal dart at bust.

No marked size, should fit approx AU womens S
Check measurements to confirm fit
All measurements taken flat

Width (armpit to armpit): 32 cm
Waist: 30.5 cm
Length (top of strap to hem): 135 cm
Hem width: 53 cm