Vintage Floaty Asymmetrical  Dress basically new
Floral pattern
 Made in Italy
 20"across front. so up to 40" chest.
L 43-54"
It has no brand and was bought in an independant high quality dress shop 
In perfect condition, bought for a holiday about 20 odd years ago, worn a couple of times.

At the back it has a seam, pictured, that dips down, very flattering.