1970s black tricot nightgown by Ralph Montenero.  Bodice has mesh inserts trimmed with scalloped lace at front and back.  Saks label, size small.  Both tricot and mesh have stretch so will fit larger than the measurements below.  Excellent overall condition.  Some unravelling to the edging on the mesh, see photos.
Bust: 30"/32"
Waist: 26"
Hip: Free
Length: 54. 5"

This item is sold from a vintage boutique in Los Angeles, Ca.