1970's Blue and Green Floral Chiffon Dress by Posh by Jay Anderson. 
This is such a great transition piece for fall. Garden party, fall wedding or charity luncheon ready! She feels amazing on and is an easy fit.
Stunning blue and green sheer floral print chiffon is artfully draped over a silky soft, sleeveless opaque lining leaving sheer, long sleeves.  Includes a chiffon sash to tie at the waist, a hidden back zipper, fabric covered cuff buttons and generous blousing at the bosom. 

Modern Size: M
Fabric: no content tag, feels like rayon/poly blend
Condition: Mint and dry cleaned
Shoulders: 16"
Bust: 38"
Sleeves: 24"
Waist: 30"
Hips: 46"
Length: 47"

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