DUMONT (DATES UNKNOWN) EXPOSITION INTERNATIONALE DU MATERIEL DIDACTIQUE MODERNE. 1947. 39x24 1/2 inches, 99x62 1/4 cm. Ch. Bulens, Brussels. Condition B+: repaired tears, creases, abrasions and restoration in margins and image and along vertical and horizontal folds; unobtrusive ink notation in upper right corner.
