Duplicates of these dresses can be seen in a performance photographed by Jack Deutsch and presented on pages 188 and 189 of the 2005 book 'Beene by Beene'. 
Two Evening Dresses. 

The First: Green and red iridescent taffeta A-line dress with green chiffon yoke and long sleeves. 
Label: Geoffrey Beene
Inventory No.: 1347A 

The Second: Black taffeta A-line dress with black chiffon yoke and long sleeves. 
Label: Geoffrey Beene 
Inventory No.: 1347C 

The First:
Approximate Flat Measurements Across Front:
Chest: 15.5"
Waist: 17.5"
Shoulders: 15.5"
Hips: 30"
Length (underarm to hem):  43"
Sleeve (shoulder to cuff): 21"
 
The Second:
Approximate Flat Measurements Across Front:
Chest: 16.5"
Waist: 19"
Hips: 30"
Shoulders: 15.5"
Length (underarm to hem): 45.5"
Sleeve (shoulder to cuff): 21"