In very good condition,
silk chiffon, or polyester, is a chiffon, soft like rayon
hand finished , hand embroidered, single stitch
size 6 or about
sheer but not see trough
size 6-8 (size 12 on the tag)

Measures:
16-17" shoulder to shoulder seam, ties on the back
stretches from 71-21" across the chest. Pit to pit
14" across the waist, no stretch
18-24" across the hips
is 33" long
sleeves are 23" long

This item is sold from an excellent, highly rated vintage boutique in Los Angeles, CA.