DK Eyewitness Books: Money Hardcover book vintage rare 2000 by Joe Cribb Become an eyewitness to the history of cash and coin and get an up-close look at currency with DK Eyewitness Books: Money. From the earliest forms of money to the intricate banking systems we have today, currency has been around for millennia, whether made from stones and shells to the coins and paper we see today. This guide details various types of currency from both the past and present, from the sea salt money of Ethiopia to the modern Euro. Discover where the term piggy bank came from, why Ancient Greeks put coins in the mouths of dead people, and how coins and banknotes are made today