Canada CLP3 Officially Sealed clearly displaying the "RED LAKE"

clearly displaying the "RED LAKE" marginal inscription INVERTED ERROR

contains line perf 14 booklet panes of 1c grey black

Never Hinged (Unitrade C2b

Never Hinged (Unitrade 176i

1898 Two cent vermilion King Edward VII

Canada CLP3 Officially Sealed clearly displaying the "RED LAKE"1919 (August 25) $1 Red and Blue Aero Club of Canada, an unusual postmarked airmail stamp the first we recall seeing with what we can describe as a mute double oval intaglio cancellation in black; accompanying Greene Foundation certificate states: CLP3, used, genuine, however not used on the 1919 Aero Club flight nor on the 1920 Grand Army of Canada flight; cancelled at some time with an unknown O; manuscript GAC Carnival written on stamp. A rare item