Original 1974 Biba striped jersey midi dress. 
Elbow length wide kimono sleeve design with raw edge cuffs and puffed shoulders, curved shaped neckline with darted bust, fitted waistline and fluted skirt. Long zip down the back with ties to the side to nip the waist in. Original large gold satin Biba label in the neckline.
In general food condition this does have some small holes in places ( see photos ) these could be hand sewn closed or backed with a square of fabric to strengthen them. 
Great original piece perfect for any occasion.
Measures when laid flat 
Armpit to armpit - 16"
Waist - 14"
Length - 42"
Waist to Hem - 23.5"
Sleeve length - 19"