Canada CLP3 Officially Sealed Never Hinged (Unitrade 176i

Never Hinged (Unitrade 176i

(Unitrade 41

1898 Two cent vermilion King Edward VII

clearly displaying the "RED LAKE" marginal inscription INVERTED ERROR

Canada CLP3 Officially Sealed Never Hinged (Unitrade 176i1919 (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