Example image of eyePlorer eyePlorer map for 'Commodity money': Commodity Money Value (economics) Alcohol Barley Belt (clothing) Black pepper Candy Cannabis Cigarette Copper Gold Medium of exchange Price system Rock (geology) Salt Seashell Silver Value Representative money Commodity market Financial instrument Barter Deflation Gresham's law Inflation Maize Tobacco Wampum Fort Knox United States Troy weight United States dollar Precious metal Banknote Coin Mint (coin) Seigniorage Fiat money Rupee Mesopotamia Standard of deferred payment Demurrage (currency) Ochre Swaziland Market economy Reciprocity Babylonia City-state Economics