Doubled Die Coins
From Susan Headley, former About.com Guide
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Doubled die is a term in numismatics used to refer to doubling in the design elements of a coin. Doubled dies can appear as an outline of the design or in extreme cases, having legends and dates appear twice in an overlapping fashion.
Doubled Die Coins
I suggest taking the ANA Course on the Modern Minting Process and Errors and Varieties.
That is where I got this knowledge. I will present a brief summary.
* Doubled dies can occur at these stages
The Classes of Doubled Dies
There are currently eight different types or classes of doubled dies listed.
What are doubled dies
You may have heard of coins selling for thousands of dollars and wondered what was so special about them. The reason a coin sells for huge premiums is its rarity.
1963-D 50c Doubled Die Obverse
VCR#1/DDO#1
The photos below show the strongest areas of doubling on the date and LIBERTY on this Franklin Half dollar. Listed for James Moloney in September of 1999 as VCR#1/DDO#1. ...
Doubled die coins are coins with parts of the design type or legend appearing as a doubled image. These coins come from a improperly made die. The doubling comes directly from the die and is not a result of a minting error.
doubled die: a die or coin on which the details appear doubled.
double-struck: a coin that has been struck twice from the dies.
DPL: abbreviation for Deep Proof Like (used by NGC).
Doubled Die: A coin that has been struck two times by a die can result in doubled coin design elements. Usually there is an offset or slight misalignment that makes the doubling visible.
Doubled Die - A die with doubled details, letters and/or numerals during its minting.
Double Eagle - A U.S. gold coin with a face value of $20, first minted in 1849 and last officially minted in 1932 ...
Doubled die - A die with doubled device details, letters and/or numerals resulting from any of several possible differences between the multiple hub impressions during its manufacture; a coin struck from such a die.
doubled die
A die with doubled device details, letters and/or numerals resulting from an error in manufacture. Also, a coin struck from such a die.
double eagle
A U.S. $20 gold coin, minted from 1849 through 1933.
Doubled Die Oregon State Quarter Found!
Proof Minnesota Quarter Doubled Die Found!
PCGS Will Certify Minnesota Quarter Varieties ...
930 1888 Doubled Die Reverse. MS-62. Very sharply struck with satiny lustre and minor abrasions. This is a spectacular variety with sharp doubling on the reverse described below.
Doubled Die obverse and Doubled Die reverse varieties exist.
40% SILVER (CLAD) PLANCHETS (1965-1970)
1965 ...
Doubled die - the doubling on the eye is most easily seen.
Type:
394-423 (Honorius) Solidus ...
DOUBLED DIE A die which has received one of its impressions from a hub or punch which was accidentally misaligned during use. There are a number of different causes for this misalignment.
E ...
Doubled Die Reverse - die variety
DPML
Deep Mirror Proof Like - Business strike, with deep mirrored planchet.
Doubled die with the broken wing tip. This is a much rarer variety than the similar-looking S4. The coin is fully struck with a light golden tone. The doubling is quite evident on the eagle's mouth.
$1,750.00 Available Add to cart View ...
Doubled die listing numbers
As with the RPMs and OMMs, the doubled dies are also assigned numbers which correspond to the listing numbers in the CONECA files. These numbers can be confusing to the beginner, so a brief explanation is included herewith.
Doubled die
A die struck more than once by a hub in misaligned positions during the creation of the die, resulting in the doubling of the coin's design elements.
Term ...
The 1955 doubled die is one of the most famous error coins. It is well-known and prices for genuine doubled die coins are priceed in the hundreds of dollars, depending on condition.
An acronym for Doubled Die Obverse.
dealer
Someone whose occupation is buying, selling, and trading numismatic material.
An example of a doubled die
Obverse of a 1943 halfpenny showing a doubled legend produced by imperfect alignment of die and punch on the second pressing.
- Doubled Die Obverse, an obverse die which exhibits doubled images in one or more places.
DDR or D.D.R. - Doubled Die Reverse, a reverse die which exhibits doubled images in one or more places.
DDO Doubled Die Obverse. Type of die variety. DDR Doubled Die Reverse. Type of die variety. DMPL Deep Mirror Proof Like. Business strike, with deep mirrored planchet. EAC Early American Coppers, Inc. Collector and dealer organization.
The coins struck from such dies are called doubled-die errors -- the most famous being the 1955 Doubled Die Lincoln cent. PCGS uses doubled die as the designation. Double(d)-Die Slang for the rare 1955 Doubled Die Lincoln Cent variety.
Coins struck from a doubled die show a doubled image. There are many different causes of doubled dies, and many doubled die coins. Sometimes mistakenly called double die. double eagle A gold $20 coin of the United States. See also eagle.
The original spelling of dime, 1/10 of a dollar double denomination A rare error in which a previously struck coin is restruck by the die pair of another denomination double die A dubious term sometimes intended to mean a doubled die coin and ...
Another case in point is the Doubled Die 1955 Lincoln Cent. This coin is perhaps The Classic Doubled Die and for many collectors of Lincolns it ranks with the 09-S VDB and 14-D as a "must" have.
A doubled die obverse can be found in some 1960 Philadelphia minted proof sets. Some 1963 proof coins from Philadelphia have a doubled die reverse. The Denver Mint issued a doubled die reverse in 1964.
Again, another area where doubled dies can occur. Depending where in this process doubled dies are created will affect the amount of coins struck from the die or dies.
Some US collectors even care about nearly invisible differences, such as doubled dies, small versus large letters, and tilted numerals.
In 1943, when the US war effort was in full swing, the US mint produced a Doubled Die obverse silver coin proof in Philadelphia. This meant that Monticello was doubled.
For example, a doubled die, where a date or another device appears twice slightly offset, is often a highly desired error. Strike errors are generally unique, whereas all coins struck with an error die will have the same characteristic.
The discovery of a new variety such as the 1955 Doubled Die cent was a cause for excitement, and it was hobby-wide news when a new overdate, die combination, or other variety was first publicized.
between the hub and the die, the die ends up with some of its features doubled - then imparts this doubling to every coin it strikes. The coins struck from such dies are called doubled-die errors - the most famous being the 1955 Doubled Die Lincoln ...
This is the major doubled die variety I, only fault is a few darker small spots on reverse, otherwise, obverse quality is frosty red and higher than graded. Another variety that is listed in the Red Book. $600.00 ...
DDO
An acronym for Doubled Die Obverse.
See Also -- double(d) die
dealer
Someone whose occupation is buying, selling, and trading numismatic material.
the 1914-D, the 1922 Plain and 1955/55 Doubled Die are all considered to be key coins in most grades. In MS65RD the 1926-S is the rarest of the regular issues, so it is considered the "condition rarity key." ...
TWO CENT PIECES-GENERAL
... ill. Discusses an 1864 Two Cent Piece depicting a
doubled die obverse, and a repunched date. TWO ...
Double Die
A die which was impressed twice from the HUB with a major or minor off-centering of the second impression. When this doubled die is used and area or the entire devices of one side of the coin appears doubled.
Spread - Difference between buy and sell prices on the same coin(s) from the same party. It also refers to the degree of separation between impressions on a doubled die.
Stella - A U.S. $4 gold coin pattern minted 1879-1880.
Most repunched dates are more subtle, such as the 1887/6 Morgan dollar. Such coins as the 1909/8 $20 gold piece or the 1942/1 Mercury dime are not repunched dates, but Doubled Dies, ...
If shifting occurs in the alignment between a hub and a die, the die will have some of its features doubled. This doubling is then imparted to every coin it strikes. The coins struck from such dies are called doubled-die errors. The 1955 Doubled Die ...
 See also: Double, Coin, Mint, Collector, Variety
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