1970
AIR-SEA WARFARE DEVELOPMENT UNIT DISBANDMENT
SPECIAL POSTMARK
CLOSURE OF HMS SEA EAGLE LONDONDERRY
SIGNED AND FLOWN
By CAPTAIN
GREEN CACHET
MAIL DROP FROM SHACKLETON
COMMANDING OFFICER H.M.S.LONDONDERRY OVAL CACHET IN RED
PLEASE SEE PHOTO
VERY GOOD CONDITION
I WILL COMBINE POSTAGE PLEASE WAIT FOR MY INVOICE
MAYBE COLLECTED FROM CIRENCESTER WEEKDAY DAYTIME ONLY