This 1966 print ad for Maidenform introduces the "Concertina" girdle, promising it "stays precisely where it belongs" thanks to an action insert that opens when you bend and closes when you stand.

• Candid seated pose showing noticeable bare back and leg skin, popular with vintage lingerie collectors
• Bold graphic typography with an exclamation-point illustration anchoring the headline
• Highlights the patented action-insert panel built from power net, Lycra spandex, and satin elastic
• Available in more than a dozen styles from $6.95 to $15.00, now sold in Canada
• A striking piece for collectors of vintage foundation-wear advertising
• Measure approximately 8 x 11 inches