It is called numismatics.
numismatics
Numismatics is the collecting of coins , medals and paper money.
PAPER MONEY: The Official Blackbook Price Guide to U.S. Paper Money, 36th edition Standard Catalog of United States Paper Money (21st Edition) Paper Money of the United States: A Complete Illustrated Guide With Valuations: The Standard Reference Work on Paper Money (Paper Money of the United States, 17th Ed) Confederate States Paper Money (Confederate States Paper Money, 10th Ed) Confederate Money COIN COLLECTING: The Coin Collector's Survival Manual A Guide Book of United States Coins 2004 Coin Collecting for Dummies How to Grade U.S. Coins How to Make Money in Coins Right Now, 2nd Edition Photograde: A Photographic Grading Encyclopedia for United States Coins The One-Minute Coin Expert, 4th Edition Periodicals: Numismatic News Coins Magazine
The study or collection of currency is called Numismatics. This includes paper money, tokens or coins. This term can also include the study of money in general.
A numismatist, usually collect forms of currency, such as tokens, paper money, and similar items.Coins.
Egypt uses both paper currency as well as metal coins as money.
coins
coins used to be a form of trade. silver coins had higher denomination than larger copper coins. Paper was worth next to nothing. The paper money money was not popular because the paper money just meant that you can redeem this paper for silver. So at that time there was no point to the paper money
Russia uses both paper and coins.
The word for currency that encompasses both coins and paper money is "cash."
The noun numismatics is the study or collection of coins, paper currency, and medals.
Coins and paper bills used as money are called currency.