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Centenario (coin)
The Centenario is a Mexican gold bullion coin first minted in 1921 to commemorate the 100th anniversary of Mexico's independence from Spain. The coin is not intended to be used as currency; the face value of 50 pesos is for legal purposes only, and does not reflect the actual value of the gold content. The obverse of the Centenario contains the image of Winged Victory (El Ángel, ''El Ángel de la Independencia'': "The Angel of Independence"), with a laurel wreath in her right hand and broken chains in her left. Two famous Mexican volcanoes, Popocatepetl and Iztaccíhuatl, rise in the background. The 1821 on the lower left commemorates the year of Mexico's independence. The date on the right indicates year of mintage, with the 1921 and 1931 (the last year of the original series) mintages being particularly valuable. Production restarted in 1943 due to the demand for gold coins, and coins minted between 1949 and 1972 are usually marked "1947". This coin was designed by Emilio del ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gold
Gold is a chemical element with the symbol Au (from la, aurum) and atomic number 79. This makes it one of the higher atomic number elements that occur naturally. It is a bright, slightly orange-yellow, dense, soft, malleable, and ductile metal in a pure form. Chemically, gold is a transition metal and a group 11 element. It is one of the least reactive chemical elements and is solid under standard conditions. Gold often occurs in free elemental ( native state), as nuggets or grains, in rocks, veins, and alluvial deposits. It occurs in a solid solution series with the native element silver (as electrum), naturally alloyed with other metals like copper and palladium, and mineral inclusions such as within pyrite. Less commonly, it occurs in minerals as gold compounds, often with tellurium (gold tellurides). Gold is resistant to most acids, though it does dissolve in aqua regia (a mixture of nitric acid and hydrochloric acid), forming a soluble tetrachloroaurate anion. Gold is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Centenario Libertad
Centenario (Italian and Spanish) or Centenário (Portuguese) is an adjective meaning Centenary, and relating to a period of 100 years. Centenario may refer to: Currency * Centenario (coin), a Mexican gold coin Places * Centenario, Neuquén, a village and municipality in Neuquén Province, Argentina * Centenário, Rio Grande do Sul, a municipality in Rio Grande do Sul, Brazil * Centenario, Tijuana, a borough in Baja California, Mexico *Centenário, Tocantins, a municipality in Tocantins, Brazil * Centenario, Uruguay, a town in Durazno, Uruguay * Centenário do Sul, a municipality in Paraná, Brazil * Centenario Bridge, Seville, Spain Sports * Estadio Centenario, a football stadium in Montevideo, Uruguay * Estadio Centenario (Armenia, Colombia), a football stadium in Armenia, Colombia * Estadio Centenario (Resistencia), a football stadium in Resistencia, Argentina * Estádio Centenário, a football stadium in Caxias do Sul, Brazil Other uses * Radio Centenario, a Uruguayan radio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Silver
Silver is a chemical element with the Symbol (chemistry), symbol Ag (from the Latin ', derived from the Proto-Indo-European wikt:Reconstruction:Proto-Indo-European/h₂erǵ-, ''h₂erǵ'': "shiny" or "white") and atomic number 47. A soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal. The metal is found in the Earth's crust in the pure, free elemental form ("native silver"), as an alloy with gold and other metals, and in minerals such as argentite and chlorargyrite. Most silver is produced as a byproduct of copper, gold, lead, and zinc Refining (metallurgy), refining. Silver has long been valued as a precious metal. Silver metal is used in many bullion coins, sometimes bimetallism, alongside gold: while it is more abundant than gold, it is much less abundant as a native metal. Its purity is typically measured on a per-mille basis; a 94%-pure alloy is described as "0.940 fine". As one of th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Libertad (coin)
The Libertad coins are silver and gold bullion coins originating from Mexico and minted by the La Casa de Moneda de México (Mexican Mint). The Mexican Mint was established in 1535 and is the oldest mint in the Americas. The modern coins contain 99.9% silver or gold (.999 fineness) and are available in various sizes. Both metal coins have undergone a design change. In 1989, 3,500 ounce Libertad platinum coins were produced. Libertads are devoid of face value, yet are still accepted as currency and guaranteed by Banco de México based on the market value of its gold or silver content. In addition to the bullion version, a proof and reverse proof versions for both metals are manufactured specifically for collectors. Proof coins contain a frosted angel with a polished background. A reverse proof is the opposite and has a polished angel with a frosted background. An antique finish is available in silver and is also sought out by collectors. An antique finish gives coins an ag ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crown Gold
Crown gold is a 22 karat (kt) gold alloy used in the crown coin introduced in England in 1526 (by Henry VIII). In this alloy, the proportion of gold is 22 parts out of 24 (91.667% gold)—and is appreciably less prone to wear than the softer 23 kt gold of earlier gold sovereigns—an important point for coins intended for everyday use in circulation. Alloying metal The alloying metal in England was, and is, traditionally restricted to copper. This is still used for the current British gold sovereign. An exception was for the gold sovereigns of 1887, when 1.25% silver, replacing the same weight of copper, was used to gain a better reproduction image of Queen Victoria for the Golden Jubilee of her reign. Elsewhere, both copper and silver have been used in varying proportions. Circulating coins In the United States until 1834, gold circulating coins were minted in 22 kt. crown gold—although using about 6% silver as well as copper. From 1834, the fineness of U.S. coin gold was decr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Troy Ounce
Troy weight is a system of units of mass that originated in 15th-century England, and is primarily used in the precious metals industry. The troy weight units are the grain, the pennyweight (24 grains), the troy ounce (20 pennyweights), and the troy pound (12 troy ounces). The troy grain is equal to the grain unit of the avoirdupois system, but the troy ounce is heavier than the avoirdupois ounce, and the troy pound is lighter than the avoirdupois pound. One troy ounce (oz t) equals exactly 31.1034768 grams. Etymology Troy weight probably takes its name from the French market town of Troyes where English merchants traded at least as early as the early 9th century. The name ''troy'' is first attested in 1390, describing the weight of a platter, in an account of the travels in Europe of the Earl of Derby. Charles Moore Watson (1844–1916) proposes an alternative etymology: ''The Assize of Weights and Measures'' (also known as ), one of the statutes of uncertain date from the re ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Serpent (symbolism)
The serpent, or snake, is one of the oldest and most widespread mythological symbols. The word is derived from Latin ''serpens'', a crawling animal or snake. Snakes have been associated with some of the oldest rituals known to mankind and represent dual expression of good and evil. In some cultures, snakes were fertility symbols. For example, the Hopi people of North America performed an annual snake dance to celebrate the union of Snake Youth (a Sky spirit) and Snake Girl (an Underworld spirit) and to renew the fertility of Nature. During the dance, live snakes were handled, and at the end of the dance the snakes were released into the fields to guarantee good crops. "The snake dance is a prayer to the spirits of the clouds, the thunder and the lightning, that the rain may fall on the growing crops." To the Hopi, snakes symbolized the umbilical cord, joining all humans to Mother Earth. The Great Goddess often had snakes as her familiars—sometimes twining around her sacred staff ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Golden Eagle
The golden eagle (''Aquila chrysaetos'') is a bird of prey living in the Northern Hemisphere. It is the most widely distributed species of eagle. Like all eagles, it belongs to the family Accipitridae. They are one of the best-known bird of prey, birds of prey in the Northern Hemisphere. These birds are dark brown, with lighter golden-brown plumage on their napes. Immature eagles of this species typically have white on the tail and often have white markings on the wings. Golden eagles use their agility and speed combined with powerful feet and large, sharp talons to hunt a variety of prey, mainly hares, rabbits, and marmots and other ground squirrels. Golden eagles maintain home ranges or territories that may be as large as . They build large bird nest, nests in cliffs and other high places to which they may return for several breeding years. Most breeding activities take place in the spring; they are monogamous and may remain together for several years or possibly for life. Fe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Iztaccíhuatl
Iztaccíhuatl (alternative spellings include Ixtaccíhuatl, or either variant spelled without the accent) ( or, as spelled with the x, ), is a dormant volcanic mountain in Mexico located on the border between the State of Mexico and Puebla within Izta-Popo Zoquiapan National Park. It is the nation's third highest, after Pico de Orizaba at , and Popocatépetl at . The name "Iztaccíhuatl" is Nahuatl for "White woman", reflecting the four individual snow-capped peaks which depict the head, chest, knees and feet of a sleeping female when seen from east or west. Iztaccíhuatl is to the north of its twin Popocatépetl, to which it is connected by the high altitude Paso de Cortés. Depending on atmospheric conditions Iztaccíhuatl is visible much of the year from Mexico City some to the northwest. The first recorded ascent was made in 1889, though archaeological evidence suggests the Aztecs and previous cultures climbed it previously. It is the lowest peak containing permanent snow a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bullion Coin
Bullion is non-ferrous metal that has been refined to a high standard of elemental purity. The term is ordinarily applied to bulk metal used in the production of coins and especially to precious metals such as gold and silver. It comes from the Anglo-Norman term for a melting-house where metal was refined, and earlier from French , "boiling". Although precious metal bullion is no longer used to make coins for general circulation, it continues to be held as an investment with a reputation for stability in periods of economic uncertainty. To assess the purity of gold bullion, the centuries-old technique of fire assay is still employed, together with modern spectroscopic instrumentation, to accurately determine its quality. As investment The specifications of bullion are often regulated by market bodies or legislation. In the European Union, the minimum purity for gold to be referred to as "bullion", which is treated as investment gold with regard to taxation, is 99.5% for gold ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
