Lot 1717
 BK
Canada Semi-Official Airmail, 1924 (25¢) Laurentide Air Service, 2nd issue (Unitrade CL2a), complete unexploded booklet. Exceptional booklet without the normal cover folding along staples, fresh. "2nd Issue" in pen on front cover. Choice Very Fine. Unitrade C$1,300 ($980).
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| Realized $900 |
