Michelle Mason Tunic or Dress
Size 2 
black 100% lambskin soft leather sleeves
and the body is Viscose in a wine/purple or maroon color
Kind of open back, with a button at the top
Very good condition!  No imperfections to point out. 
shoulder pads

32" long
18" pit to pit
17 3/4" waist flat
19" hips flat
15.5" shoulder to shoulder