A fine, early 20th century, 18k gold tie pin with enamel cipher - initials “AW” under a coronet. The exquisite pin is from the estate of Grand Duchess Olga Alexandrovna. The cypher is that of Prince Arthur William, the Duke of Connaught (son of Queen Victoria) who served as Governor General of Canada during the first part of the Great War, until 1916. He lived until 1942. Maker Collingwood & Co., “to the Royal Family,” 46 Conduit Street, London. David Thomas, the Crown Jeweller from 1991 to 2007 began his career with Collingwood of Conduit Street at 17 as a jewellery-cleaner and postboy. Pin is 2 ½ inches long and comes in its original 1 inch by 3 ¼ inch leather case. Provenance: The Byington Collection, which is acknowledged in: "Tsar: The Lost World of Nicholas & Alexandra" by Peter Kurth (p. 223); and "Olga Romanov: Russia’s Last Grand Duchess" by Patricia Phenix (p. 296). Both box and pin are in fine condition.