<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">proto-currencies</topic></authority><related type="broader"><topic>money by form</topic></related><variant type="other"><topic>proto-currency</topic></variant> <note xml:lang="en"><![CDATA[ General term for items or materials that were used as money, but were not representative of actual currencies. Examples are ingots of gold or copper, which were carried from place to place in Bronze Age Europe, the owner using a chisel to remove a bit of the metal to buy goods. ]]></note></mads>