Numismatical :: Numismatical (a.) Of or pertaining to coins; relating to the science of coins or medals.
Numismatist :: Numismatist (n.) One skilled in numismatics; a numismatologist.
Numismatography :: Numismatography (n.) A treatise on, or description of, coins and medals..
Numismatology :: Numismatology (n.) The science which treats of coins and medals, in their relation to history; numismatics..