This is a gorgeous dress from the very late 1950s or very early 1960s by St. Michael. The fabric is cotton. Metal side zipper.
Measures - Please make sure you double check your own measures and compare them to the ones below.
Shoulder to shoulder:
Armpit to armpit: 19" (48cm)
Sleeves:
Waist: 27.5" (70cm)
Shoulder to waist: 16" (40cm)
Waist to bottom: 26" (66cm)
Lenght: 42" (106cm)
Sweep (flat side to side): 36" (90cm)
Fabric: Cotton, metal zipper
Condition: Great condition! A bit of yellowish marks in the armpits (view 2 last photos).