Description

Three cachets on rear of cover 1) Triangle – Received aboard HMAVF Otter 20 Nov 1972 BFPO 1307, 2) Oval – No 1102 Marine Craft Unit 22 Nov 1972 Royal Air Force Falmouth, 3) Circle RAF Post Room 11 Dec Mountbatten Plymouth.

Cover signed by Flt Lt B J Main & Flt Lt J W Baker

There was a special post box at the Home Postal and Courier Communications Depot Inglis Barracks Mill Hill London NW7 1PX where items posted would receive the special handstamp

Items for re-posting needed to be sent to the Philatelic Officer at the barracks