Commodity money cans or foil pouches of mackerel fish fillets, which have a fairly standard cost and are easy to store. These may be exchanged for many services in prisons where personal possession of currency is prohibited. In situations where the commodity is metal, typically gold or silver, a government mint will often coin money by placing a mark on the metal that serves as a guarantee of the weight and purity of the metal. In doing so, the government will often impose a fee which is known as seigniorage. The role of a mint and of coin differs between commodity money
Dumb Ways to Die Ways To Die" will." McCann estimated that within two weeks, it had generated at least $50 million worth of global media value in addition to more than 700 media stories, for "a fraction of the cost of one TV ad". According to Metro Trains, the campaign contributed to a more than 30% reduction in "near-miss" accidents, from 13.29 near-misses per million kilometres in November 2011 – January 2012, to 9.17 near-misses per million kilometres in November 2012 – January 2013. The video was animated by Julian Frost and produced by Cinnamon Darvall. It was uploaded to YouTube on 14 November