Lot
818 
Canada, Airmail, 1928, 5¢ brown olive, imperforate plate no. "A-1" block of 6, o.g., never hinged though very slightly disturbed, large margins & fresh color, Very Fine and scarce. Unitrade C$1,800 for hinged ($1,260).Scott No. C1a Estimate $300 - 400.
Realized: $525