Pennsylvania Auctioneer Practice Exam

The correct answer is C. Horologist. A horologist is a specialist in the science of measuring time and the art of making instruments for indicating time. Collectors and dealers of clocks and watches are commonly referred to as horologists due to their expertise and knowledge in this specific field. The other options are not correct: A. Numismatist: A numismatist is someone who collects and studies coins and currency. B. Philatelist: A philatelist is an individual who collects and studies postage stamps. D. Cartophilist: A cartophilist is a person who collects and studies cigarette cards or trade cards. Among the given choices, only option C, Horologist, is the correct term for a collector and dealer of clocks and watches.