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.
Play money, toy money, faux paper money or formally ludic money is money that functions as a toy or a token in a game or when playing.
The first such toy money was printed in 1880 by the Milton Bradley Toys company, and was actually a teaching tool, distributed to schools so that children could play at commercial transactions and learn skills for reckoning change, recognizing coins, and budgeting purchases. (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 Frankie Saluto was a member of the Ringling Giants, a dwarf baseball team that raised money for charity?
Image 13Athens 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)
Image 14A person counts a bundle of different Swedish banknotes. (from Money)
Image 15Song Dynasty Jiaozi, the world's earliest paper money (from Money)
Image 30Money Base, M1 and M2 in the U.S. from 1981 to 2012 (from Money)
Image 31Tibetan kong par tangka, dated 13-45 (= AD 1791),reverse (from Tibetan tangka)
Image 32A 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 33Tibetan undated silver tangka (2nd half of 18th century) with eight times the syllable "dza" in vartula script,reverse (from Tibetan tangka)