Paul Emile Berthon - Dutch Lady with Tulips

The Louis Prang company - was a printing and publishing company in Boston, Massachusetts, known for its high-quality lithographic reproductions of artworks and its production of mass-market Christmas cards using color lithography. It was founded by Louis Prang, a German immigrant, in the 1850s and went out of business in the early 20th century,

Paul Émile Berthon, a French painter, and illustrator of the late 19th and early 20th centuries is known for his illustrations for magazines and books. Born in 1872 in the French town of La Croix-Valmer, he was working for newspapers and magazines in Paris.