Canada F3

1875 Eight cent dull blue, top sheet margin mint pair, lovely colour on fresh paper, showing right end portion of BABN imprint (Boggs Type V) – being Pos. 4 & 9 in the sheet of 50, full, dull streaky white original gum characteristic of this key stamp, top stamp with small hinging, lower stamp very lightly hinged, Fine+  (Unitrade F3; catalogue value $700+)