Great Britain 1984 Illustrated Airgram (Datapost plane) flown Inverness to Kirkwall for 50th Anniversary of UK Inland Airmail, only 150 covers flown (special cachet on reverse)
Great Britain 1984 Illustrated Airgram (Datapost plane) flown Inverness to Kirkwall for 50th Anniversary of UK Inland Airmail, only 150 covers flown (special cachet on reverse)