Money was historically an emergent market phenomenon that possessed intrinsic value as a commodity; nearly all contemporary money systems are based on unbacked fiat money without use value. Its value is consequently derived by social convention, having been declared by a government or regulatory entity to be legal tender; that is, it must be accepted as a form of payment within the boundaries of the country, for "all debts, public and private", in the case of the United States dollar.
A coin is a small object, usually round and flat, used primarily as a medium of exchange or legal tender. They are standardized in weight, and produced in large quantities at a mint in order to facilitate trade. They are most often issued by a government. Coins often have images, numerals, or text on them. The faces of coins or medals are sometimes called the obverse and the reverse, referring to the front and back sides, respectively. The obverse of a coin is commonly called heads, because it often depicts the head of a prominent person, and the reverse is known as tails.
A coin is generally made of metal or an alloy, or sometimes of human-made materials. Precious metal–based coins had the advantage of carrying their value within the coins themselves. On the other hand, they induced manipulations, such as the clipping of coins to remove some of the precious metal. (Full article...)
... that Zack Kelly received a $500 signing bonus, lost money in his first professional seasons, and was released by two organizations before he made his Major League Baseball debut?
... that the manager of WVSS at the University of Wisconsin–Stout spent about $6,000 of his own money to buy more than 500 classical music CDs to program the station?
... that Colin Stubs spent the prize money from his first international tennis title on an old Volkswagen to travel around Europe?
... that Ken Kortas lost money speculating on hog futures during his NFL career?
... that in the span of three days, a Florida man was approved by bankruptcy courts to buy TV stations in Roanoke and Lynchburg, Virginia, and then arrested on charges of laundering millions in drug money?
Image 10A 640 BC one-third staterelectrum coin from Lydia. According to Herodotus, the Lydians were the first people to introduce the use of gold and silver coins. It is thought by modern scholars that these first stamped coins were minted around 650 to 600 BC. (from Money)
Image 11Tibetan kong par tangka, dated 13-45 (= AD 1791),reverse (from Tibetan tangka)
Image 12Sino Tibetan silver tangka, dated 58th year of Qian Long era, reverse. Weight 5.57 g. Diameter: 30 mm (from Tibetan tangka)
Image 13A check, used as a means of converting funds in a demand deposit to cash (from Money)
Image 14Gold coins are an example of legal tender that are traded for their intrinsic value, rather than their face value. (from Money)
Image 19Tibetan silver tangka with Ranjana (Lantsa) script, dated 15-28 (= AD 1894), reverse (from Tibetan tangka)
Image 20Sino Tibetan silver tangka, dated 58th year of Qian Long era, obverse. Weight 5.57 g. Diameter: 30 mm (from Tibetan tangka)
Image 21Athens coin (c. 500/490-485 BC) discovered in Pushkalavati. This coin is the earliest known example of its type to be found so far east. (from Punch-marked coins)
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