Hang poster. a3, a4 mockup on wall. Blank paper with clamp. White banner and background for presentation, notice. Empty page with shadow. Template of showcase, frame, flyer, gallery, billboard. Vector. Hang poster. a3, a4 mockup on wall. Blank paper with clamp. White banner, background for presentation, notice. Empty page with shadow. Template of showcase, frame, flyer, gallery, billboard. Vector.