Lot 782
 P
Canada, Airpost Semi-Official, Private Commercial Airlines, 1929 (10¢) Commercial Airways Proof Set in Pairs, Unitrade #CL47Pi, printed on thick white card, 6 diff. colors, enormous margins, Very Fine.
Scott #CL47 var. Unitrade C$4,000.
Estimate $2,000-2,300.
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