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The measurement of sales of popular music starts high relative to the wedding anniversary scale, concentrating on gold and platinum. See gold album. Likewise, credit card companies usually have a "gold card" and a "platinum card."
Sports events have a well-established convention (introduced into the Olympic tradition at the 1904 Summer Olympics) of a hierarchy of medals: bronze medal - silver medal - gold medal. This presumably echoes conventional coinage systems, in which cheap bronze or copperCopper is a chemical element in the periodic table that has the symbol Cu and atomic number 29. Notable characteristics Copper is a reddish-coloured metal, with a high electrical and thermal conductivity (among pure metals at room temperature, only silver denominations could aggregate to intermediate silver coins, then to prestige gold moneyGeneral definition of money Money is an agreement, between a community, to use something as a medium of exchange, which acts as an intermediary market good. It can be traded and exchanged for other goods. The agreement can either be explicit or implicit,. The archetypal British designations: pennyA penny (pl. pence or pennies is a unit of currency or a coin used in several English-speaking countries: 1/100 of the British Pound Sterling or the Irish pound ( 1971- 2001), or a coin with that value: see history of the English penny. 1/240 of the Briti, shillingThe shilling was a British coin first issued in 1548 for Henry VIII, although arguably the testoon issued about 1487 for Henry VII was the first shilling. History Before decimalization in 1971, shillings had a value of 12 pence; equal to one-twentieth of and pound parallel and reflect this hierarchy. Ancient GreekAncient Greece is the term used to describe the Greek-speaking world in ancient times. It refers not only to the territory of the present Greek state, but also to those areas settled in ancient times by Greeks: Cyprus, the Aegean coast of Turkey (then kno mythico-cultural cosmology depicted a decline from a golden ageA golden age is period in a field of endeavour where great tasks were accomplished. The term originated from early Greek and Roman poets who used to refer to a time when mankind lived in a utopia and was pure. Within sequences or cycles of eras, the golde to a silver ageA silver age is a name often given to a particular period within a history, typically as a lesser and later successor to a golden age, the metal silver generally being less valuable than gold. The original Silver Age was one of the " Five Ages of Man" des followed by an iron age. Pop culture