FABULOUS CASUAL AIRE, REEF TOWERS, HAWAIIAN VILLAGE, by SUN FASHIONS of HAWAII!  Stand up collar, front knotted slit neck, slim design, 2 side seam 4" hem slits, hidden nylon back zipper.  Material stamp appears to read 100% silk crepe - it is slightly faded.  Fabric appears to be knit.

Measurements below:
Size - 16 on label, Bust - 42”, Waist - 40”, Hip - 46”
Armpit to hem - 38" (with two side seam 4" slits), Sweep - 54" (but has 2 side seam slits).