I took a deep breath and resolved not to pester Ben so much when he was lecturing me. “The no-longer-nomads, called the Cealdim by now, were the first to establish a standardized currency. By cutting one of these smaller bars into five pieces you get five drabs.” I began to piece two rows of five drabs each together to illustrate my point. They resembled little ingots of metal. “Ten drabs are the same as a copper jot; ten jots—”