From The Revolutionary Helio Courier, 1953. Initialed lower left: "DVT". In fine condition aside from detachment of additional piece of paper adheared to newspaper. Sheet measures 24 x 18 inches.
Exhibited: Aetna Life Insurance Galleries, Hartford, CT, 1985.
Illustrated in Talcott, Dudley Vaill. "The Revolutionary Helio Courier." Self-published, 1953. A marketing booklet for the slow-flying airplane.