2 August 1990
Queen Mother's 90th Birthday 2 August 1990
Postal and Courier Services R.E.
Special Handstamp: BFPS no 1990 The British Forces Offer Heartiest congratulations to Her for her 90th birthday.
Signed: Air Commodore Sir Archibald Winskill CBE DFC AE, Captain of the Queen's Flight 1968 - 1982.
