Tab Hunter: Tri-color carbo portrait by Werneki.  Image: Tri-color carbro was a labor intensive process using registered prints from 3 primary color negatives, used in the 1930s and 40s.
See: The National Portrait Gallery: In Vibrant Color: Vintage Celebrity Portraits from the Harry Warnecke Studio.
Tri-color carbro was a labor intensive process using registered prints from 3 primary color negatives, used in the 1930s and 40s. See: The National Portrait Gallery: In Vibrant Color: Vintage Celebrity Portraits from the Harry Warnecke Studio.