World War One.- French posters

Two posters, to include: Poulbot (Francisque) Emprunt de la Défense Nationale, N'oublie pas de souscrivez... pour la Victoire!... et le retour! [National Defence Loan. Don't forget to subscribe... for Victory!... and his return home!], lithographic poster, fold marks, edges reinforced with archival tape verso, 115 x 80cm, Devambez, Paris, 1915; SEM [Serge Goursat], Pour le triomphe souscrivez à l'emprunt national [For victory subscribe to the National Loan], lithographic poster, fold marks, edges reinforced with archival tape verso, 115 x 80cm, Devambez, Paris, 1918 (2)