AN EDWARD VII ENAMELLED AND STONE SET THREE-PIECE PEN SET, the blade of letter opener with maker's mark of William Hornby, London, 1905, retailed by Tiffany & Co., 221 Regent Street, London, comprising quil pen, letter opener, and spherical handled unengraved seal, each enamelled in rose with green enamel beads on a guilloche ground, the remainder silver-gilt--the pen 7¼in. (18.4cm.) long, in fitted leather (distressed) case