cover 1891 1d. red-brown, two singles and a horizontal pair (affixed overlapping and one with blue crayon mark), and a single bisected diagonally tied by "cork" obliterators on 1891 (4 Sept.) envelope registered to England, showing "FALKLAND/ISLAND'S" double-ring d.s., "Crown/REGISTERED" h.s., blue crayon "68" and part London Registered d.s.; the envelope with some minor discoloration. A very rare franking. B.P.A. Certificate (1979). Photo