Lot
71 BK
Canada, Airmail Semi-Official 1924 (25¢) Green, Laurentide Air Service, horizontal roulettes, complete unexploded booklet of 4 panes of two, printing on front and back covers, o.g., never hinged, couple small gum reside spots on front cover, otherwise Very Fine. Scott No. CL2a $1,800.
Realized: $650