Search results
Results from the WOW.Com Content Network
Gold, silver and bronze or copper were the principal coinage metals of the ancient world, the medieval period and into the late modern period when the diversity of coinage metals increased. Coins are often made from more than one metal, either using alloys, coatings (cladding / plating) or bimetallic configurations.
Group 11, by modern IUPAC numbering, [1] is a group of chemical elements in the periodic table, consisting of copper (Cu), silver (Ag), gold (Au), and roentgenium (Rg), although no chemical experiments have yet been carried out to confirm that roentgenium behaves like the heavier homologue to gold. Group 11 is also known as the coinage metals ...
Coins are a major archaeological source of history. Coins convey information about language, administration, religion, economic conditions, and the ruler who minted those coins. [1] Coins were first made of scraps of metal by hitting a hammer positioned over an anvil. The Chinese produced primarily cast coinage, and this spread to South-East ...
Metal. Iron, shown here as fragments and a 1 cm 3 cube, is an example of a chemical element that is a metal. Metal in the form of a gravy boat made from stainless steel, an alloy largely composed of iron, chromium and nickel. Part of a series on the.
Ancient Greek coinage. Archaic coin of Athens with effigy of Athena on the obverse, and olive sprig, owl and ΑΘΕ, initials of "Athens" on the reverse. c. 510 –500/490 BC. The history of ancient Greek coinage can be divided (along with most other Greek art forms) into four periods: the Archaic, the Classical, the Hellenistic and the Roman.
Metals of antiquity. German amulet to protect against disease (18th century); it is made from an alloy of the seven alchemical metals: lead, tin, iron, gold, copper, mercury and silver. The metals of antiquity are the seven metals which humans had identified and found use for in prehistoric times in Africa, Europe and throughout Asia: [1] gold ...
The Coinage Act of 1792 established the United States Mint and regulated the coinage of the United States. [3] The act created coins in the denominations of Half Cent (1/200 of a dollar), Cent (1/100 of a dollar, or a cent), Half Dime (also known as a half disme) (five cents), Dime (also known as a disme) (10 cents), Quarter (25 cents), Half Dollar (50 cents), Dollar, Quarter Eagle ($2.50 ...
The Numismatics Portal. Electrum coin from Ephesus, 520-500 BCE. Obverse: Forepart of stag. Reverse: Square incuse punch. Numismatics is the study or collection of currency, including coins, tokens, paper money, medals and related objects.