1918 4d registered stationery envelope (G) addressed to The Chief Rabbi London franked 1d adhesive tied 'REGISTERED DURBAN' c.d.s. '26 APR 18' Carried on the R.M.S. Kenilworth Castle departing Cape Town 2nd May via Sierra Leone. On 2nd June the vessel was involved in a collision with an escorting Destroyer. Boxed 'DAMAGED BY IMMERSION / IN SEA WATER' struck in violet. Kenilworth Castle Type 1 cachet. Receiving cancellation on the reverse.