Ne pas gaspiller le pain est notre devoir

Loaf of bread on a table.
Translation of title: Our duty is not to waste bread.
From a group of posters designed by school children and others, some marked "Affiche composée par les enfants de France pour la prévoyance et les économies."
Promotional goal: Fr. J72. 1918.
Item is no. 231a in a printed checklist available in the Library of Congress Prints and Photographs Reading Room.