1926 (August 26) Red Lake - Woman Lake and Return Flight; matching small covers - one franked with 2c green Admiral tied Red Lake split ring and other with pair of 1c yellow, Die II tied double circle Woman Lake CDS; on reverse Style One tied by same-day arrival postmark; scarcer flight covers, VF (AAMC CL13-2604, 2604a; Unitrade CL13) (Image)

Estimate 300 $