1926 (August 2) Woman Lake - Sioux Lookout First Flight; with flight cachet in green, bearing pair of 1c orange, Die II Admiral tied by Woman Lake double-ring CDS; on reverse a remarkable usage of a pair of Style One for the required 50c air fee, showing monogram "FED" handstamp in green on both airmails; tied by above CDS and same-day Sioux Lookout CDS on arrival, forwarded to Toronto by train with AU 4 receiver. The only example of the monogram FED handstamp on a Style One airmail stamp off or on cover, VF (Unlisted use of Style One "CL13" on AAMC CL18-2600 flights; Unitrade CL13c, e, variety) The Style One airmail stamp does exist inscribed "FED" - however it is nearly all done in a red ink manuscript (4-6 known); only one is known in a black ink manuscript. (Image)

Estimate 5000 $