Auction #48 continues today with Postal History. This cover is worthy of the attention it has been getting.
Lot 569 Canada #CL1 1918 Aero Club of Canada Semi-Official on Registered Cover Ottawa to Toronto, blue cover is franked with a 3c brown plus a 5c blue Admiral (both tied by Toronto roller), plus CLP1 (ideally on front) tied by large “by Aeroplane” flight cachet in blue, and there is a Toronto AUG.26.1918 c.d.s. free strike. The front of the cover also shows a dated Toronto “AERIAL MAIL” boxed cachet in violet, a light Toronto registration handstamp and an Ottawa same day receiver on back. A rare cover, with only 26 items carried, lovely and very fine. Unitrade CV$5,000.