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A silver object that is to be sold commercially is, in most countries, stamped with one or more silver hallmarks indicating the purity of the silver, the mark of the manufacturer or silversmith, and other (optional) markings to indicate the date of manufacture and additional information about the piece.
Under standard conditions, silver does not form simple carbonyls, due to the weakness of the Ag–C bond. A few are known at very low temperatures around 6–15 K, such as the green, planar paramagnetic Ag(CO) 3, which dimerises at 25–30 K, probably by forming Ag–Ag bonds. Additionally, the silver carbonyl [Ag(CO)] [B(OTeF 5) 4] is known.
Sterling silver is an alloy composed by weight of 92.5% silver and 7.5% other metals, usually copper. The sterling silver standard has a minimum millesimal fineness ...
An oak leaf cluster is a ribbon device to denote preceding decorations and awards consisting of a miniature bronze or silver twig of four oak leaves with three acorns on the stem. It is authorized by the United States Armed Forces for a specific set of decorations and awards of the Department of Defense , Department of the Army , and Department ...
The silver key symbolises the power to bind and loose on Earth, and the gold key the power to bind and loose in Heaven (another interpretation says that the silver key represents "binding" and the golden key represents "loosing"). The primary emblem of the papacy is these two keys beneath a triregnum (papal tiara). This symbol is used in ...
1913: Coubertin’s original symbol featured five interlaced rings—blue, yellow, black, green, and red—in the middle of a white background. The rings were adopted in 1914, but it would be ...
Blue lotus flowers symbolize rebirth and creation, whereas purple lotus flowers symbolize inner balance. The rare red lotus flower symbolizes passion, and the yellow lotus flower is associated ...
Thirty pieces of silver was the price for which Judas Iscariot betrayed Jesus, according to an account in the Gospel of Matthew 26:15 in the New Testament. [1] Before the Last Supper , Judas is said to have gone to the chief priests and agreed to hand over Jesus in exchange for 30 silver coins and to have attempted to return the money ...