Color postcard showing a photo of actor Rudolph Valentino mounted on a W. K. Kellogg owned Arabian horse, Jadaan, c. 1926. Caption on front: The late Rudolph Valentino mounted on Jadaan. Caption on back: This picture was taken at the time of filming the famous photoplay "The Son of the Sheik" in which the late Rudolph Valentino, with Jadaan as his mount, achieved notable success. Jadaan was the last horse ridden by Valentino. Jadaan, a beautiful Arabian stallion, was used in the picture through the courtesy of W. K. Kellogg, owner of the W. K. Kellogg Arabian Horse Ranch, Pomona, Calif. Mr. Kellogg is the well known Cereal Manufacturer of Battle Creek, Michigan.