Planchet errors
A planchet is distinguished from a simple coin blank by having a raised rim. This rim is applied to the blank by an upsetting mill, which compresses the blank's edge as it is spun between two beveled surfaces.
Blank coin planchet for a Sacagawea Dollar
Photo courtesy of the Coin Page ...
From planchets to coins
Despite a protective atmosphere, annealing causes some discoloration on the surfaces of the blanks which must be removed. The blanks are tumbled against each other and passed through a chemical bath.
Wrong Planchet Error Coins
Australian 2c struck on 1c planchet
One of the scarcer but more spectacular errors is the wrong planchet error coin. These are one of the simplest error coins to explain.
Blank Planchet
The message entitled Blank Planchet posted by anonymous on 9/4/03 20:39 in the quarters coin collecting value forum has now expired. Sorry for the inconvenience.
Incomplete planchet - one clip at 6:30.
Type:
1935, 1939, 1942, 1944, 1946 and 1955 Wheat Cents ...
The "clipped planchet" error
Coin blanks are punched out of long metal strips using a high-speed press. The strip is unwound from large rolls and fed through the press automatically.
This unique 1915 Lincoln Cent is on a full-size planchet as the rims are full and sharp. If it was struck on a foreign planchet, there would be weakness in the rims.
Provided by Michael Byers of Byers Numismatic Corp. (byersnc.com) ...
planchet defects: flaws on a coin that are believed to have been in the metal before the coin was struck. These are not treated as harshly as circulation marks or defects, if at all.
planchet flaw: same as a planchet defect.
PLANCHET: Most of the cent blanks/planchets are made outside the mint, as is much of the metal for other denominations, but the process is pretty much the same.
planchet The blank disk of metal before it is struck by a coining press which transforms it into a coin. Type I planchets are flat. Type II planchets have upset rims from the milling machine, these to facilitate easier striking in close collars.
planchet - A round piece of metal pressed from large sheets in which the coin is struck. Also called a blank.
P Mint - Located in Philadelphia, Pennsylvania. Began operations in 1793 and is still producing coins today.
Planchet Defects
Any of the various abnormalities found on coin blanks. These include drift marks, laminations, clips, and so forth.
Planchet Flaw
An irregular hole in a coin blank, sometimes the result of a lamination that has broken away.
planchet, blank: The disc of metal or other material on which the dies of the coin, token or medal are impressed; also called blank, disc, flan. In paper money, a small colored disc embedded in the paper used as an anti-counterfeiting device.
Planchet - The blank piece of metal on which a coin design is stamped.
Proof - A specially produced coin made from highly-polished planchets and dies, and often struck twice to accent the design.
Planchet: The blank piece of metal on which a coin design is stamped.
Planchet The disc of metal or other material on which the dies of the coin are impressed. Also known as a coin blank.
Planchet - a blank disc that will be stamped between dies to produce a coin
Press - a compression machine in which dies come together to stamp a coin ...
Planchet: a blank piece of metal used for stamping a coin or medallion.
Platinum Eagles: modern platinum bullion coins minted by the U.S. Treasury.
Planchet: A flat piece of metal on which a coin's image is struck. The Mint typically prepares the planchets for coin striking in a specific process.
PQ: "Premium Quality" applies to coins on the high end of a grade.
Planchet Defect - A defect on the planchet that was not eliminated during the striking process. A piece of metal of dirt in the die can cause this, as well as a problem with the original planchet that was fed into the die.
Planchet Defect
A defect on the planchet. It could be from a piece of metal or dirt in the die or a problem with the original planchet that was fed into the die.
Planchet Preparation Processes
Planchets were prepared by taking gold ingots and running them between two steel rollers. Several pass-throughs were done, each time with the rollers spaced more closely together.
planchet
A piece of metal - previously termed a blank - now with raised rims from an upsetting machine - but not yet struck by the coin dies.
plugged
A holed coin that has been filled.
Planchet - A piece of metal prepared for coinage with raised rims but as yet unstruck.
Platinum Eagles - Modern platinum bullion coins minted by the U.S. Treasury.
Plugged - Denotes that a holed coin has been filled ...
Planchet - French name for a blank.
Plug - Often a gold coin that has been holed will have the hole filled with a plug of gold so the coin appears more collectable (although not normally to deceive).
Planchet - The flan or blank that is used to strike coins.
Plaster - A sculptor will use a round piece of plaster to engrave his design. From this plaster a rubber will be made.
PLANCHET STRIATIONS
Parallel hairlines or grooves into the surface of a coin.
Planchet
The blank metal disk, which becomes a coin when struck under high pressure between two dies. Also see: Blank
Planchet defect ...
Planchet flaw
An irregular hole in a coin blank, sometimes the result of a lamination that has broken away.
Planchet striations ...
Wrong Planchet / Off-Metal Errors
Wrong planchet and off-metal errors occur when a correctly made blank from one denomination is accidentaly fed into a press for another denomination.
Small Planchet - Method of organization
The small planchet St. Patrick coppers are founds some 120 different die varieties! ...
The clipped planchet error occurs during the stamping process, where thin sheets of metal are fed into a stamping machine that punches out rows of coin blanks.
Planchet errors occur when the wrong coin blanks, or planchets, are fed into a coin-stamping press. This results in a coin that has been stamped with a design intended for a differently sized coin; this is called a wrong planchet error.
Planchet: A blank piece of metal used to receive a coin stamp.
Premium Value: The price paid for a coin beyond it's face value.
PlanchetDisk on which a design is stamped to make a coin.
PristineSaid of a Mint State coin with original surfaces intact, never cleaned.
Planchet - The blank disk of metal on which a design is stamped to become a coin.
Plugged - A holed coin that has been filled.
Press - See 'Coining Press' ...
PLANCHET The metal on which a design is struck to produce a coin.
PRESS The machine which supplies the striking force or pressure to produce coins or hubs and dies.
PRODUCTION COIN Same as a business strike coin. Coin meant for circulation/commerce.
Planchets made by a mold method, rather than being cut from strips of metal.
cast counterfeit ...
Planchets came from scrap copper on hand since October 179210. This had come in three lots:
Date Pounds Source
Sept. 11-Nov. 23
1,005 ...
Planchet striations
Fine, incuse lines found on some Proof coins believed to be caused by polishing of the blanks prior to striking. Also see: Adjustment marks, Burnishing lines, Die striations, Roller marks ...
Planchet hairline striations - If a planchet is polished heavy enough before being struck, the striations will appear as hairline scratches into the coin's surface rather than above the coin's surfaces as the case would be from die polish striations.
Planchet
flat piece of metal on which a coin's image is struck. The planchets are typically prepared for coin striking in a specific process by the mint.
Privy mark ...
Planchet
The round, blank, flat metallic piece on which a coin is struck Also known as a blank or flan.
Platinum Eagle ...
3. Planchet error
4. Isle of Man
5. Boston, New York, Philadelphia, Atlanta, Richmond, Cleveland and Chicago ...
3. Planchet Flaw - Raised metal, missing metal, peeling metal and annealed planchets are just a few of the mint made flaws which, if large enough, will disqualify a coin from encapsulation.
D. Planchet Size Uneven thickness of planchets.
II. DESIGN
A. Shared Metal ...
After the planchets are prepared they are put into a bin or hopper, from which they are jostled or, in early times, hand placed into a feeding tube on the coin press, ...
* Clipped planchets--coins that are incomplete because of improperly cut blanks, can sell for $45 and up according to one dealer
* Off-center strikes, priced at $500-$4000 according to one dealer ...
flan: Planchet.
flip: A coin holder, usually plastic, that has two pouches, one to hold a coin and the other to hold identification. It is folded over, or "flipped," to close.
Incomplete Planchets
by JT Stanton
Coin Photography Made Simple
by JT Stanton ...
Incomplete planchet. Obverse die clash with Indian head die. Obverse cuds and die cracks. Reverse cud.
Type:
1863 Civil War Token ...
1787 Small Planchet, Curved Bean, shield does have light outline, Red Book, p.
An unstruck planchet.
Branch Mint
Any federal coining facility except the Philadelphia Mint. See mintmark.
Sometimes a planchet will get "stuck" in the mint and run through the presses twice. They often look two-headed, but you can see a "ghost" (or stronger) image of the reverse on both sides. That is a mint error and very collectible.
Copper thick planchet on left
bronze thin planchet on right
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1793 Chain Cent Planchet From Royal Oak Mint BU
Rare! 1793 Chain Flowing Hair Large Cent
1793 Chain Cent ANACS Graded AG3 Scratched/Corroded.
And what of the planchet goofs, the striking blunders, and the many abuses suffered by the struck cents over the many decades since they were made? Did that large square nail hole come from being fastened to a beam or doorpost?
cast blanks Planchets made by a mold method, rather than being cut from strips of metal.
Clip - A coin, planchet or blank missing a portion of metal, caused by an error during blank production; types of clips include curved, ragged, straight, elliptical, bowtie, disk and assay.
 See also: Coin, Struck, Mint, Revers, Reverse
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