mint pane of 100, dark carmine overprint, stage IV (13.Ea), varieties including "Canal" in antique type at position 26 (13a), "Zone" in antique type at position 48 (13b), and "E" of "Zone" faintly printed at position 68 (13.5), couple hinge remnants but most stamps never hinged, small tear at top, very fine and rare in a complete sheet