Philip T PriestleyPhilip T. Priestley, a prolific writer, contributed a great amount of knowledge to the horological community. "British Watchcase Gold & Silver Marks 1670 to 1970" is the capstone of his research and horological legacy. He was a Silver Star Fellow of he National Association of Watch & Clock Collectors, Inc. and a Liveryman of the Worshipful Company of Clockmakers. Read More Read Less