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Numismatic StriationsStrike doubling

Ramstrike or High Lip Coin Error
Australia 1964 1d Ramstrike or High Lip Error ...

 


DOUBLE STRIKES
Many ancient coins had to be struck more than once to get a proper transfer of an image to the flan.

Strike
There are several parts of the minting process that could account for the sharpness, or lack thereof, of a coin's strike. The most important aspect is striking pressure.

Modern Restrike
Struck more than 300.000.000 times worldwide.
Key identification characteristics for the 1780 strikes are in particular the form of the brooche in the veil on the obverse (no pearls, except for the later Vienna mint strike), ...

Multiple Strike
Thumbnail images are at a resolution of 150dpi so they are correct in size relative to each other. Clicking on a thumbnail image will display a 600dpi magnification, unless otherwise stated.

Business Strike
From Susan Headley, former About.com Guide
See More About: ...

Third, weak strikes can be the result of "gutless" presses or trying to run too large a coin on too small a press. I have inspected several presses that somebody thought they could strike 1.

1888 RARE Inverted trible strike Reverse Canadian Penny
The message entitled 1888 RARE Inverted trible strike Reverse Canadian Penny posted by Robert Middagh on 5/29/03 18:40 in the pennys coin collecting value forum has now expired.

Strike Characters and Other Special Designations
In addition to grade, other attributes of a coins condition, quality of manufacture and appearance are described by NGC. These include strike characters and designations.

strike: the degree to which metal flows into the recesses of the dies when a coin is struck. The strike of a coin is usually referred to as weak, soft, bold, or full.
strip: the flattened sheet of metal from which blank planchets are punched.

strike: the actual minting or stamping a coin planchet with its design; can also refer to the quality of a coin (i.e. This coin has a good, solid strike).
surface: The reverse and obverse of a coin; can also refer to the fields only.

strike: The act of impressing the image of a die into a planchet, making a coin. The quality of strike is important when determining the amount of wear on a coin.
strip: Rolls of coinage metal to be punched into blanks.

Strike - The process of stamping a coin blank with a die bearing the design. A strike may be considered full, average or weak on a particular coin, and will affect the value of rare coins.

strike - The process of using high a pressure press to stamp a design into a coin planchet.

Strike: The process of stamping a coin blank with a design. The strength of the imprint - full, average, or weak - affects the value of rare coins.

Strike
The process of impressing an image onto a PLANCHET during the minting process. The result is the level of detail that the coin eventually has.

Strike - The process of impressing the design from a die into a planchet to make a coin, token or medal.
Tetradrachma - An ancient Greek silver coin, roughly the same size as a U.S. quarter but three times thicker.

strike (n) Term to indicate the completeness, or incompleteness, of a coinÂ's intended detail. (v) The act of minting a coin.
strip The flat metal, rolled to proper thickness, from which planchets are cut.

strike
The process of impressing a design into a planchet by force of the dies to create a coin.
strike doubling
Another term for machine doubling.

strike
Term to indicate the presence of a coin's intended detail or a term signifying the act of minting a coin.
strip ...

Strike Doubling - See machine doubling.
Symbolic face value: nominal value given to legal tender coins sold for their metal content.

Strike
The sharpness of detail which the coin had when it was Mint State. A full strike is a coin that exhibits the full detail that would appear on the sharpest known examples of that type.
Strip ...

STRIKE
To stamp the coin design onto a blank. Also one of the grading criteria of a coin and may vary from a full strike in which all of the intended design detail of the engraver shows to a very soft or weak strike where one or more areas of the ...

restrike A coin struck later than indicated by its date, often with different dies. Occasionally, a different reverse design is used, as in the case of restrike 1831 half cents made with the reverse type used from 1840-1857.

restrike: A numismatic item produced from original dies at a later date; in the case of a coin usually not with a view to meeting monetary requirements but to fill a demand for a numismatic rarity.

Restrike
A coin minted from original dies, but produced at a later date than the originals.
Rev ...

Restrike: officially issued reproduction of a former circulating coin.
Short sale: the sale of an asset for future delivery without possession of the asset sold.
Silver Eagles: modern 1-oz silver bullion coins.

Restrike with Rusted Reverse
1153 1839 pattern half dollar. P-103, J-95. Restrike. Rarity-8. Liberty Head right. Proof-64 (PCGS). Silver. Reeded edge.

Restrike - A coin that is struck after the year it was intended to be struck. Restrike occurred mostly in the mid 1850's when collector demand began to rise. Prominent collectors asked the mint to recreate certain coins they could not find.

Restrike
A coin which is struck some time (normally years) after the original striking using the original dies.
Reverse ...

restrike
A coin struck with authentic dies later than the date it bears.
Rev ...

Restrike - When coins are struck from the original dies at a later time. Many of the coins from the Soho Mint were restruck when Taylor bought the old dies for scrap metal value.

Re-strike
This is a coin that is produced from genuine dies but at a date later than the original issue.
Rim
Raised portion of the design along the edge that protects the coin from wear.

Misstrike - An coin that has not been struck properly.
Modified Effigy - A modification of the Monarchs Effigy. Usually only used when referring to the minor changes to George V' bust in 1926 in an attempt to reduce the ghosting on the coins.

Overstrike - An impression made with different dies on a previously struck coin.
Oxidation - The formation of oxides or tarnish on the surface of a coin from exposure to humidity, air pollutants, or other environmental elements.

Mis-strike
Off center striking of a coin.
Motto
Inspirational phrase or wording. Examples include "In God we Trust" on US coins or "Liberte, Egalite, Fraternite" on French coins.
Also see Coin Terms - Anatomy of a Coin ...

Broadstrike - Coin of a larger than normal diameter. This is actually not a planchet but a striking error. The coin is struck without a protective collar and is then spread by impact beyond its normal dimensions.

broadstrike: an error coin struck outside of its collar, resulting in an expanded planchet.
bronze: a reddish alloy of copper and a small amount of tin.

Gold Strike
After seeing the success of others, and a little trial and error, I was very excited to find my first gold speck. :- ) It looked kind of lost in that big vile that a friend let me borrow.

broadstrike: Coin struck outside a restraining collar. See also related article.
broken bank note: paper money of a defunct bank or a bank which has failed (broken), but often applied to any obsolete bank note.

Broadstrike/Broadstruck
A coin struck without a firmly seated collar, resulting in “spreading outwards, but still showing design details.

First Strike - An unofficial term referring to a coin struck shortly after a new die is put into use. Such coins often have proof like surfaces and resemble proofs in certain (but not all) characteristics.

Double strikes
A double strike occurs when the coining press fails to eject a newly minted coin completely from the striking area, and it then receives a second blow from the dies while partially outside the collar.

double strike coin where a die struck, bounced, then struck again, offset from first strike (used for ancient coins where hubs were not used).

Uniface Strikes
Uniface coins occur when there have been two blank planchets in the press at the same time. The other blank will obstruct the die on either the obverse or reverse side, which will prevent it from having that design on the coin.

This is Strike Doubling - not a Doubled Die coin (1969-S). [ Coin from Albert Sims ]
(Also known as Machine Damaged Doubling.) ...

The double strike error can be the result from several situations. As the illustration shows, a double strike can occur from one die. However, the Mint utilizes two to four dies in close proximity to increase production.

Strike is a problem for Shield and Liberty nickels, but most Libertys are not as severely deficient as are the Shields. Both series in business strikes are graded by a 'well struck' guideline, not 'fully struck', in grades through MS-65.

Strikeover Mint Marks
Before Mint Marks were made as a part of the die, the Mint Mark was hand punched into each die at the Philadelphia Mint prior to shipment to the designated branch mint.

StrikeTo stamp a coin design onto a blank.
UncirculatedMint State, contrasted with circulated, free of any trace of wear. Unworn business strike.
VarietyAny coin recognizably different in dies from another of the same design, type, date, and mint.

STRIKE (1) To stamp a design into a blank planchet. (2) The degree of detail a coin had when first struck. Dependent on die state, this detail may vary from shallow and weak to bold and sharp.
T
TROY OUNCE Weight which is equal to !/12 troy pound = ...

Strike: or the sharpness and completeness of detail in the coin's design. The normal characteristics of the coin's age, type and mint mark (or issue) are taken into account.

Strike - The force or pressure and angle with which the dies are struck, the quality of the planchet, the softness or hardness of the metal planchet, the heat of the planchet at the time of striking, ...

strike doubling
See machine doubling
tetradrachma
An ancient Greek silver coin weighing about 13 to 17 grams, roughly the same size as a U.S. quarter but three times thicker ...

The strike on the 1851-D quarter eagle is above average on both obverse and reverse. The surfaces usually come with marks from circulation and many have Mint-made flaws.

Overstrike - An impression made with new dies on a previously struck coin.
Patina - A green or brown surface film found on ancient copper and bronze coins caused by oxidation over a long period of time.

Full strike. Struck with very sharp dies. The fields show heavy die polishing and the devices are very rough. Perhaps it is an old die that was repolished, or a brand new die. It is very interesting and pretty.

weak strike
A term used to describe a coin that does not show intended detail because of improper striking pressure or improperly aligned dies.
weenie ...

a mis-strike resulting from a coin becoming lodged in the reverse, or upper die, during minting. The next coin would receive two obverse impressions; one from the obverse die; the other from the lodged coin.

Trial strike for proposed gold issue:
Could this piece be a bronze pattern for some gold coins proposed, but never issued? Perhaps the gold examples are still waiting to be found?
Fantasy piece: ...

See also: Coin, Mint, Struck, Revers, Reverse