Falkland Is 1916 Registered envelope to Switzerland with 1/- RARE

Postal Stationery.  1916 formula registered envelope to Switzerland size H2 bearing KGV 1s (paying 6oz rate) tied by Falkland Islands CDS Type F 4C of 16 MR 16.  Liverpool transit and Bermne arrival on reverse.  Slightly toned and with  little damage under the flap still fine