ISLE OF MAN

12 May 73 - Liverpool - 2.5p Isle of Man definitive stamp Liverpool Airport. 40th Anniversary Air Display. Flown cover by Jim Keen of Keenair Services in Piper Colt G-ARGO on 5 May 73 from Liverpool Airport to Blackpool and return (original route). Flight time: 50 minutes.

5 Jul 73 - Douglas Isle of Man First Day Issue. 40th Anniversary Liverpool Airport. Cover flown to the Isle of Man on 1 July 1973 exactly 40 years to the day that Liverpool was officially opened. Flown in Cambrian Viscount G-AOYM. Six lined blue flown cachet.