1896 UNDELIVERED MAIL LONDON TO NATAL. Fine U.P.U 1d vermilion postcard London to a Poste Restante, Durban, Natal cancelled LOMBARD ST squared circle OC 10 96, re-directed back to London with ms "Not Known....", boxed 'Undelivered for reason stated/ To be returned to sender ....' cachet and various other date stamps incl. DURBAN NO 5 96. (Ref 87172).