Commodity money Commodity money Commodity money is money whose value comes from a commodity of which it is made. Commodity money consists of objects that have value in themselves (intrinsic value) as well as value in their use as money. Examples of commodities that have been used as mediums of exchange include gold, silver, copper, salt, peppercorns, tea, large stones (such as Rai stones), decorated belts, shells, alcohol, cigarettes, cannabis, silk, candy, nails, cocoa beans, cowries and barley. These items were sometimes used in a metric of perceived value in conjunction to one another, in various commodity valuation or price system economies.
The Aurum Film Encyclopedia through 1990 and a different set of appendices. Ten pages were added to the new edition, covering the few films produced during the years 1984 - 1990. This edition was reprinted in 1995. Published in 1984, "The Aurum Film Encyclopedia: Science Fiction", followed the history of the genre chronologically, from 1897 – 1983. Unlike the previous volume, silent genre titles are included, and even minor genre films are reviewed in the main text. Also unlike the first volume, Hardy mentions the names of the various critics who provided the reviews in the text, which in this book were Denis Gifford,