The study of “Coin” and “Medals” is called?

The study of “Coin” and “Medals” is called?A. Toxicology
B. Numismatics
C. Nephology
D. Limnology

Numismatics (ancient Greek: νομισματική) is the scientific study of money and its history in all its varied forms. While numismatists are often characterized as studying coins, the discipline also includes the study of banknotes, stock certificates, medals, medallions, and tokens (also referred to as Exonumia).