Such a beautiful baby blue frock from the early 60s.  A woven blended fabric with a matching belt, over stated collar and side zip up closure.
PLEASE CHECK YOUR MEASUREMENTS
Measurements taken with garment lying flat:
Chest (across the front) 45 cm
Waist (across front only) 35 cm 
Sleeve Length 8 cm
Dress Length (shoulder top to hem) 110 cm

NZ Size up to a 8/10.