cover REGISTERED ENVELOPES: 1886-1973, the unused (14) and used (26) collection; the unused include 1886 G and K, 1889 20c. on 2d. F (H. & G.6), 1896 G, 1898 F, 1902 (2) and 1927 K; the used with 1886 G (2, one to London, the other with stamps removed), 1889 20c. on 20c. G to Austria, 1889 20c. G (5, all to Europe), I (surface faults) to Germany with the rare "LONDON & DOVER T.P.O./NIGHT MAIL" transit c.d.s., 1896 F and H (to U.S.A.), 1898 F (2) and G (2), 1902 G (3) and H, 1912 F (3) and 1927 K used in 1931 to U.S.A.; three of the used with additional stamps removed, nevertheless generally good to fine with some attractive items.