1967 MAIL PORTSMOUTH TO BRIGHTON 2/6D YELLOW-GREEN (SG509). Large envelope (195x127) with KGVI 2/6 yellow-green (SG509) which depicts 'H.M.S.Victory' from Portsmouth to Brighton cancelled PORTSMOUTH and SOUTHSEA 4 JLY 67. On front printed imprint at upper left "POSTED ON BOARD/H.M.S. VICTORY" and signed by Commanding Officer on reverse with his cachet. Philatelic but unusual. (Ref 89615).