Fantastic and unique 1930s gown!
Royal blue satin with black and white stripe taffeta.
Simple bodice with boning and stripe top band and straps.
Huge, full skirt.
Side metal zip closure.
Belt with plastic slide buckle and snap.
Very good condition. 
Some light scuffing to satin in bodice.
A couple water marks in skirt, barely noticeable. 
Some dinginess and fading to stripe material in straps and top band.
Very wearable!
Hem could be let down for an extra inch to length.
Measurements:
Chest: 34"
Waist: 26" 
Hip: free
Length from top of strap: 56"