Lot 744
 
Canada, Semi-Officials, 1925, 25¢ Northern Air Service, First Flight, Unitrade #CL5, canceled Haileybury Jun 27 25 on reverse, signed by pilot Bill Broach, Rouyn Lake Jun 27 25 cancel ties 3¢ Admiral on front of cover, Fine to Very Fine.
Unitrade C$175+, , only 50 exist .
Estimate $100-120.
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| Realized $161 |
