(Latin: numisma, nomisma, "coin"; from the Greek: νομίζειν nomízein, "to use according to law") is the study or collection of currency, including coins, tokens, paper money, and related objects.

nu⋅mis⋅mat⋅ics
   /ˌnumɪzˈmætɪks, -mɪs-, ˌnyu-/ Show Spelled Pronunciation [noo-miz-mat-iks, -mis-, nyoo-] Show IPA Pronunciation
-noun (used with a singular verb)
the study or collecting of coins, medals, paper money, etc.