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 money-back guarantee, also known as a satisfaction guarantee, is essentially a simple guarantee that, if a buyer is not satisfied with a product or service, a refund will be made.
The 18th century entrepreneur Josiah Wedgwood pioneered many of the marketing strategies used today, including the satisfaction-or-money-back guarantee on the entire range of his pottery products. He took advantage of his guarantee offer to send his products to rich clientele across Europe unsolicited. The money-back guarantee was also a major tool of early U.S. mail order sales pioneers in the United States such as Richard Sears and Powel Crosley Jr. to win the confidence of consumers. (Full article...)
... that medievalist Edward Rand rang the doorbell of Harvard president Charles William Eliot and asked him: "I would like to go to Harvard; do you have any 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 undated silver tangka (2nd half of 18th century) with eight times the syllable "dza" in vartula script,reverse (from Tibetan tangka)
Image 12Gold coins are an example of legal tender that are traded for their intrinsic value, rather than their face value. (from Money)
Image 14Athens 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 15Paper money from different countries (from Money)