A similar lot as above but from series "20", staple holes in selvedge, overall disturbed gum is fairly light on top block, an extremely rare intact sheet - one of only two known, VF (Image)

Cat. Value 6500 $

Prepared but not issued, without overprint. A choice mint example with pristine original gum, VF NH (Unitrade CL23) (Image)

Cat. Value 1310 $

A similar lot, F-VF NH (Image)

Cat. Value 1310 $

Series "2" mint pane with ascending 10c overprint (Type A) in red and descending 5c overprint (Type B) in black; some ink notation entirely in lower margin, well centered with brilliant fresh colour and pristine gum. Very few sheets (of the 50 printed) remain intact, VF NH (Unitrade CL27) (Image)

Cat. Value 4500 $