This is a 1929 ad for a Columbia School Supply Company: Standard Indestructo Adjustable movable Desk; Indestructo Adjustable Movable Desk; Indestructo Tablet Arm Chair No. 420; Sani-Steel Instructor's Desks; No. 461 Tablet Arm Chair; Indestructo Kindergarten Chair; No. 450 Teachers' Chair; No. 65 Steel Book Case with Doors! The size of the ad is approximately 10x13.5inches. The caption for this ad is 'See our Booth No. 35 at the N.E.A. Convention - Cleveland' The ad is in good overall condition, with some light wear. This vintage ad would look great framed and displayed! Add it to your collecction today!