American Knife King Assistant Surrounded by Throwing Knives, by Porter S. Cleveland, real-photo postcard, c. 1930

American Knife King (aka R.C. Clemens Hagenbegk) Assistant Surrounded by Throwing Knives, by Porter S. Cleveland, Hollywood, real-photo postcard with performances stamped chronologically on reverse, 5.4 x 3.4 inches, c. 1930