Charles Twelvetrees was an American postcard illustrator, and drew a comic strip about a duck called Johnny Quack” for the New York Herald from 1909 to 1911.
He later did covers for the Pictorial Review, Collier's & Capper's Farmer.
His postcards usually depicted chunky-cheeked children and some popular sets include the "Days of the Week", "National Cupid" series and the "World's Fighters".
The United States card was called "The Rough Rider".
National Cupid 75