Old Testament Coinage is cited in the Bible, and it is helpful to know what the coins were, their weight, and their value. Before the invention of coinage, precious metals were used as part of a barter system. Money became popular during the seventh century B.C., but it never completely replaced the old system. From early times, gold, silver, and copper had been popular exchange items. Gradually, a system of standardization developed. The metals were weighed out and quality checked. Some of the names of metal weights became the names of coins, which at first were roughly circular and impressed with a seal. Their weight seldom exceeded that of the silver or gold shekel. After heating and melting the metal, the coiner would then hammer the metal into a small flat planchet of metal. It was