Alloy
From Susan Headley, former About.com Guide
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alloy
Word: Word Starts with Ends with Definition
An alloy is a combination, either in solution ...
alloy: A substance composed of several metals
bagmarks: Surface marks caused by impact from other coins during the handling process before the coin enters circulation ...
alloy:
a mixture of two or more metals.
American Eagle Bullion Coin:
platinum, silver and gold coins released by the United States Mint beginning in October 1986.
American Eagle Proof Coin: ...
alloy a mixture of two or more metals. annealing heating blanks (planchets) in a furnace that softens the metal. archiving to file or collect. assay to analyze and determine the purity of metal.
ALLOY
Mixture of more than one metal, usually preceded by the name of the most predominant or most important metal in the mix, such as nickel alloy. Alloys are used to produce a coin of more durable and cheaper composition.
ALTERATION ...
alloy - a mixture of two or more metals melted into one compound.
Almost Uncirculated - A coin or paper money note that is very close to being uncirculated. Upon first glance it may appear un-circulated.
Alloy
A combination of two or more metals.
Allegorical Personification
A concept, represented in the form of a person.
Alloy
A mixture of two or more metals.
Altered
Sometimes coins are changed in an attempt to defraud collectors. Examples would be artificial toning, changing mint marks, changing dates and whizzing.
Alloy - A combination of two or more metals.
Alteration - The tampering with a feature of a coin's surface such as the date, mint mark, etc. to give it the appearance of being another date, mint mark, or variety. An illegal practice.
Alloy - A combination of two or more metals in a coin such as cupro-nickel or cupro-zinc.
ANA - American Numismatic Association.
ANACS - Coin grading service. Originally owned by the ANA but sold to Amos Press.
Alloy: combination of two or more metals.
American Numismatic Association (ANA): nonprofit educational that supports coin collecting and numismatic studies.
ANACS: coin grading service ...
alloy: Mixture of more than one metal.
altered: A coin or other numismatic item that has been deliberately changed, usually to make it resemble a rare or more valuable piece.
Alloy - A mixture of two or more metals.
Assay - To analyze and determine the purity of metal.
Bag Mark - A mark on a coin from contact with other coins in a mint bag.
Alloy
A mixture of two or more metals, e.g. the Sacagawea Dollar is comprised of an alloy of .770 copper, .120 zinc, .070 manganese, and .040 nickel.
Alloy - A mixture of two or more metals.
Altered - Intentionally modified after the minting process
Ancient - A coin produced prior to about 500 A.D. ...
alloy A combination of two or more metals.
Almost Uncirculated The grades AU50, 53, 55, and 58. A coin that on first glance appears Uncirculated but upon closer inspection has slight friction or rub.
alloy - Two or more metals mixed into one. Usually done to increase strength.
Alloy - a mixture of two or more metals
ANA - American Numismatic Association, the national organization for coin collectors
Assay - the testing of an ore sample to determine its precious metal value ...
War Alloy Jefferson Nickels
War is hell, especially on money. Metal was scarce during World War II. Just ask a Jefferson nickel, made of 56% copper, 35% silver and 9% manganese (the Sacagawea Dollar US silver coin also uses manganese).
Common alloys
Regular brass is 70% copper and 30% zinc. Our red brass wire is 90% copper, and 10% zinc, which gives it a bit warmer color. "Nickel silver" contains no sterling silver, although it is silver in color.
Alloy - Coin metal that is made from two or more different metals, blended together in the molten state. Other than United States Large Cents and Half Cents, which are pure copper, all U.S. coins have been alloyed.
Alloy The mixture of two or more metals, usually for purposes of strengthening the one which is the dominant part of the alloy. Gold is frequently alloyed with copper.
Ask The price that a seller is willing to take in order to effect a sale.
ALLOY The fixed proportion of metals in a coin. Mixture of metals. Roosevelt dimes produced from 1946 until 1964 are a metal alloy composed of 90% silver and 10% copper.
Alloys consist of small particles of a hard compound embedded in the tough, ductile background of a solid solution. In service the latter can wear away slightly leaving the hard compound to carry the load.
Alloy: A mixture of two or more metals. The mixture usually will make a coin inexpensive to produce.
Bullion: A metal slab that has not been made into a coin.
alloy of gold and silver (at least 20%) of varying purity.
Equestrian
Exercitus ...
An alloy is not a chemical combination, but mixture of two or more elements, one that must be a metal, that are mixed in a liquid state and are bound together at a solid state below their melting temperatures.
An alloy of mostly copper, with some tin and zinc.
brown
Term for a copper coin that no longer shows the red color of copper.
An alloy of silver and another metal, usually copper, which is less than 50% silver.
bit
Pieces of eight were physically cut into eighths; each piece is one bit.
An alloy of 95% copper, 5% zinc and tin.
Brushed
A coin that has been rubbed with a brush or cloth, leaving small hairlines or scratches on its surface.
An alloy of copper, tin and zinc, with copper the principal metal.
Brown ...
An alloy of copper and tin; special types also contain other elements.
Brown
The term applied to a copper coin that no longer has the red color of copper. It is abbreviated as BN when used as part of a grade or description.
The alloy is about 25% nickel 75% copper (same as modern U.S. 5 cent pieces). Much discussion has been given to the source of the metal used in these coins.
Copper Alloy with a magnetic iron core
Weight
177.00 grains (approximately 11.47 grams) ...
Silver alloy, low title (< 50%).
Bracteate
Medieval silver coins, with bockage proceeding (incuse) and with big diameter and with very thin edge.
Nickel Alloy Resumed
The Following Dates are Collected Mostly in Uncirculated Condition
1946 ...
A metal alloy occassionally used for minor coin issues consisting of a mixture of silver and a very high copper content. Sometimes billon coins are treated with a thin silver coating to give a shiny appearance.
Bi-Metallic ...
A nickel alloy to commemorate the 25th anniversary of Kellogg Field, Battle Creek, Michigan. Little works like this are available at flea markets and coin stores for a few dollars. While interesting, they have little market value.
Note: The alloy for this specimen was not blended perfectly, which has created a very interesting and eye appealing effect - all along the margin and some of the protected areas of the reverse have beautiful silvery surfaces, ...
Brass Alloy of copper and zinc used to make low denomination coins in ancient Greece, Rome and China.
Bronze Alloy of copper (90%) and tin (10%) used to make low denomination coins.
a low grade alloy of silver (usually less than 50%) mixed with another alloy such as copper.
Blank
flat piece of metal on which a coin's image is struck (see planchet) ...
In 1837, the alloy of US gold coins was officially changed to 90% gold and 10% silver and copper.
The coins are alloyed with silver and copper to make them harder than pure gold would be, and more resistant to scratches, dents and other damage. This means that the coin weighs 1.09oz, but contains exactly an ounce of gold. Its diameter is 32.
An alloy of very low, and often indeterminate, silver content. Billon usually has a silver fineness of less than .500 fine. Thus, US "wartime nickels" (.350 fine) can be said to be made of billon.
billon: an alloy containing a small amount of silver mixed with a base metal.
bit: one-eighth of a Spanish 8 Reales "Piece of Eight. Two bits equal a quarter (hence, the cheer: …two bits, four bits, six bits, a Dollar) ...
A. Copper-Nickel Alloy For Coins
1. Sources of nickel were varied and resulted in differences in planchet quality.
Cupro-nickel
Any alloy of copper and nickel.
- D -
D
Mintmark used to identify coins struck at the Dahlonega, Georgia branch Mint from 1838 through 1861 or the Denver, Colorado Mint from 1906 forward.
P-1916, Nickel Alloy
Enlarge
1066 1883 pattern five-cent piece. P-1916, J-1712. Rarity-6. Liberty Head, experimental alloy. Proof-64 (PCGS). Nickel alloy. Plain edge.
The copper-nickel alloy had now been in use for several years but it was tough on Mint equipment. The alloy was very hard and caused rapid die wear. The result was weekly struck coins.
Billon - Silver alloy containing less than 50% silver.
Bi-metallic - A coin made of 2 different metals. For example the current UK Two Pound coin, or the 1 and 2 Euro Coins.
orichalcum - an alloy of copper and zinc, used by the Romans for their sestertii (q.v.).
paludamentum - a Roman military cloak, often worn over the cuirass on the obverse busts on Roman coins.
parazonium - a short sword worn at the waist.
Caused by impurities in the air and/or metallic alloy of the coin. Cartwheel (1) Another name for any silver dollar, (2) a term used to describe the coruscating luster often seen on a Blazer Uncirculated coin, ...
Also called intergranular corrosion, reticulate corrosion, or embrittlement, crystallization happens under certain conditions with silver coins that are naturally alloyed with small amounts of copper or lead, ...
(A pure copper core surrounded by a copper-nickel alloy.) Also used for the 40-percent silver half dollars.
alloy - A combination of two or more metals.
ANA or A.N.A. - The American Numismatic Association, an organization dedicated to numismatic interests.
ANAAB or A.N.A.A.B.
The issue of copper alloys is particularly relevant to the study of the non-precious metal coins of the Roman empire issued following the reforms of the Emperor Augustus in the late first century BC.
alloy - a mixture of two or more metals melted into one compound. For example old Liberty Head gold coins minted prior to 1933 were made of an alloy.
billon An alloy used for coin issues consisting usually of a mixture of silver and copper. bimetallic A coin made of two metals.
copper nickel - A metal alloy of 88% copper and 12% nickel. This alloy was used for US Flying Eagle and Indian cents from 1856 to the middle of 1864. The alloy caused these small cents to have a pale copper color.
 See also: Coin, Silver, Copper, Mint, Revers
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