This is a 36 card set representing actors of the era.
On the reverse of ach card you will find a mini-profile of that actor.
This set contains cards for:
Charlie Chaplin, Harold Lloyd, Rudolph Valentino, Ben Turpin, Richard Barthelmess, Lon Chaney, Monte Blue, Douglas Fairbanks, Max Schrek, Bert Williams, Antonio Moreno, John Gilbert, Conrad Veidt, William Boyd, Roscoe Arbuckle, Lloyd Hughes, Gustav Frohlich, Valedemar Psilander, Walter Slezak, Ramon Novarro, William Bakewell, Bryant Washburn, Eric Campbell, Max Linder, William Powell, William S Hart, Larry Semon, Chester Conklin, Harry Langdon, Adolphe Menjou, Richard Bennett, Maurice Costello, Robert Harron, Billy Bevan, Charley Grapewin, Edmund Lowe. 
Multiple series sets are available for other decades.
The watermark will not appear on the cards you will receive.