Precious metal "precious" metal can also be determined by high demand or market value. Precious metals in bulk form are known as bullion and are traded on commodity markets. Bullion metals may be cast into ingots or minted into coins. The defining attribute of bullion is that it is valued by its mass and purity rather than by a face value as money. The level of purity varies from issue to issue. "Three nines" (99.9%) purity is common. The purest mass-produced bullion coins are in the Canadian Gold Maple Leaf series, which go up to 99.999% purity. A 100% pure bullion is
Commodity status of animals Commodity status of animals The commodity status of animals refers to the legal status as property of most non-human animals, particularly farmed animals, working animals and animals in sport, and their use as objects of trade. In the United States, Free-roaming animals ("ferae naturae") are (broadly) held in trust by the state; only if captured can be claimed as personal property. Animals regarded as commodities may be bought, sold, given away, bequeathed, killed, and used as commodity producers: producers of meat, eggs, milk, fur, wool, skin and offspring, among other things. The exchange value of the animal does not depend