Lot 1718
 BK
Canada Semi-Official Airmail, 1924 (25¢) Laurentide Air Service, 2nd issue (Unitrade CL2b), complete unexploded booklet. O.g., never hinged. Writing in pencil along top of cover front. Very Fine and scarce. Unitrade C$1,400 ($1,050).
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| Realized $1,000 |
