Mexico, 1908, 4c Postage Due, Specimen Punch. Upper pane of 80, mounted on signed fine linen cardboard, each stamp with rhomboid security perfin, plate plate number "000001 Cbis C 010000", manuscript "1907" date in top margin, Very Fine, a unique archival exhibition piece. Scott No. J3  Estimate $750 - 1,000. $0 (Image)