An outstanding mint pane of eight, series "20" in left corners, showing the striking INVERTED AIRPLANE ERROR, well centered and in an excellent state of preservation with bright colours and full original gum, NEVER HINGED. Only six panes (48 stamps) were printed in error, VF NH (Unitrade CL43a) (Image)

Cat. Value 24000 $

A similar lot. This pane, together with the previous lot, are the only two surviving panes. Two blocks of four also exist (one of which is hinged). The remaining quantity is in singles, more often than not in hinged condition. (Image)

Cat. Value 24000 $