Canada CL20

1928 (March 9) Red Lake - Sioux Lookout flight cover with 2c green Admiral tied by Red Lake MR 9 departure split ring; on reverse the scarce (50c) Patricia Airways, Style Two with ascending 5c overprint (Type B) in black postmarked with neat Sioux Lookout CDS on arrival; minor mount mark at foot of cover. Carried by successor Patricia Airways, Ltd. which operated during February and March of 1928, Very Fine and scarce (Unitrade CL20)