WW2 Royal Navy Admirals J Lee Barber DSC and Sir Donald Gibson signed cover

WW2 Royal Navy Rear Admiral J Lee Barber DSC and Vice Admiral Sir Donald Gibson DSC signed cover HMS Griffin comm the ann of the Battle of Matapan 28 Mar 1941 Naval WW2 FDC. Limited edition of 169. Official Marriott Navy cover RNCC Series 6 No 18.