Vanity Fair Vintage ? Half Slip Size Medium 28" Black Nylon High Slit 100% Nylon

Listed is a vintage half slip, appears to be a Vanity Fair style printed inner tag but unable to confirm. Black, silky nylon with one high slit trimmed in lace. Fabric: 100% nylon Size: Medium (marked 28" but measures at 27") Condition: Excellent preowned condition. Elastic waist has excellent stretch and return to shape, inner tag is crisp. Lying flat, waist across unstretched measures: 14" Stretched: 21.5" From waist to bottom of slip: 27" Slit from bottom to top of slit: 15.5" Thank you for looking!