Canada Special Flight Cover 4 June 1929 commemorating Kingston Airport opening Lovely illustrations/cancels

Canada. Special, First Flight Cover dated 4 June 1929, commemorating Kingston Airport opening.Timed at 9am from Toronto and received at 11am in Kingston (reverse), with a lovely illustration, violet ‘Via Airmail’, ‘Toronto-Kingston’ and ‘Care of Postmaster’ on the front and on the reverse purple ‘Henrye. Radasch M.D,, Daniel Baugh, Philadelphia’ and ‘Kingston Industrial Exhibition, September 10 – 14 1919’.