numismatist

noun

1. One who studies and/or collects coins and/or currencies.

   “In comments to Hyperallergic, ancient historian and classical numismatist Liv Yarrow noted the absence of SPQR coins during the period of the Republic and its later use as a means of justifying autocracy while harkening back to an earlier age:”

   “With seasoned numismatists eager to fill gaps in their collections, prices are already rising.”