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Jacobus Hovius
A Jacobus is an English gold coin of the reign of James I of England, James I, worth 25 shillings. The name of the coin comes from the Latin inscription surrounding the King's head on the obverse of the coin, IACOBUS D G MAG BRIT FRA ET HI REX ("James, by the grace of God, of Britain, France and Ireland King"). Isaac Newton refers to the coin in a letter to John Locke: '' The Jacobus piece coin'd for 20 shillings is the : part of a pound Troy, and a Carolus 20s piece is of the same weight. But a broad Jacobus (as I find by weighing some of them) is the 38th part of a pound Troy.'' dated September 19, 1698, to John Locke, concerning the weight and fineness of various coins. These correspond to masses of 9.10 and 9.82 grams respectively, making the broad Jaco ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gold Coin
A gold coin is a coin that is made mostly or entirely of gold. Most gold coins minted since 1800 are 90–92% gold (22karat), while most of today's gold bullion coins are pure gold, such as the Britannia, Canadian Maple Leaf, and American Buffalo. Alloyed gold coins, like the American Gold Eagle and South African Krugerrand, are typically 91.7% gold by weight, with the remainder being silver and copper. Traditionally (up to about the 1930s), gold coins have been circulation coins, including coin-like bracteates and dinars. In recent decades, however, gold coins are mainly produced as bullion coins for investors and as commemorative coins for collectors. While modern gold coins are still legal tender, they are not observed in everyday financial transactions, as the metal value normally exceeds the nominal value. For example, the American Gold Eagle has a denomination of 10 USD, but a metal value of more than $800 USD (being around a half an ounce). The gold reserves of centr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
