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. According to family lore, the initials are of a member of the von Wittgenstein family. 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.