Discover a true gem for any serious collector: The CLP1, Scarce Aero Club of Canada with a rare purple boxed AERIAL MAIL AUG 27, 1918 TORONTO CANADA cancel. This F+ condition stamp, perforated 12, featuring a striking 25c black and red design, stands as a testament to Canada's rich postal aviation history. From "The Pioneer and Semi-Official Air Mails of Canada 1918-1934," it's noted that of the 194 labels printed, only three or four pairs exist today alongside approximately 27 single copies used on August 27th, 1918.  Elevate your collection with this historical treasure, exclusively available on our online store specializing in Canadian Federal and Provincial Revenue Stamps, postal issues, and more. Secure this piece of aerophilatelic history before it finds its way into another discerning collector’s hands.