1980's Bill Blass Black and White Floral Print Tunic Skirt Set.
So many great reasons to grab this beauty and you get two great pieces to play with.
The top is so good as a dress! She's unlined, has sweet little shoulder padded with chiffon and a generous cut for easy fit. Belted or not, super adorable. 
Top: shoulder 14", bust 40", sleeve 19", waist 42" hip 46" length 34".
Skirt: waist 26", hips 28", length 26".
Modern size is XS/S and condition is Excellent.

This item is sold from an excellent, highly rated vintage boutique.