Barkley L. Hendricks' portrait of Jackie Cameron was painted in 1975, the same year he painted 'Yocks' which tripled its high estimate when it sold for $3.72 million at Sotheby's last year.
The widow of an oil baron, Wrightsman spent much of her fortune on paintings by artists like Georges Seurat, Elisabeth Louise Vigée Le Brun and Anthony van Dyck.