Coins - the first form of money

A Few people pay much attention to coins. There is even a belief that they will one day be obsolete and money will at last have achieved the pure status of a mathematical formulation.B Coins are among the most durable of our artefacts, and future archaeologists will scrutinise coins in order to learn about their distant ancestors. There are thousands of different coins each designed to carry meaning as well as value.C Before coins, trade was based on barter: the direct trade of co...