6011818 The Twelve Ages of Man: April (litho) by French School, (16th century); Private Collection; (add.info.: April. Illustration for A Calendar for the Year 1923 containing twelve plates representing the twelve ages of man which appeared in a book of hours printed by Thielman Kerver in Paris in 1522. They were reprinted by his widow, Yolande Bonhomme, from which edition the woodcuts have been reproduced (Linotype, 1922).); by Look and Learn.