Lot 637 Canada #35 1892 Small Queen Illustrated Advertising Cover, a yellow cover mailed DEC.14.1892 from the Merchant’s Protective Collecting Association in Hamilton to Montreal, handstamped “NOT FOUND / RETURN / TO / WRITER” and returned to Hamilton on JAN.5.1893. The cover depicts a large eye. Open on two sides and ex. Ron Brigham (with his red handstamp on back), very fine, with great eye appeal. Estimate C$150.