White Lace Nylon Slip by Lady Love - a different feel than many nylon slips, more like very thin polyester or acetate, has a crispness that nylon usually doesn't have
Size 36, check measurements: Measures 18" across bust laid flat. So 36" around bust - there is some room in the cups.
Measures 16. 5" across under bust. So 32" around. 35" waist. 40" hips. 43" long. Adjustable strap. Mannequin is 5'8".
Good condition - tiny flaw on back strap, just above where it comes out of bodice the edge is shaved off (see closeup of back)

This item is sold from an excellent, highly rated vintage boutique.