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Due to improvements in production and inspection, modern errors are more rare and this impacts value. [3] Some types of errors, such as clipped planchets, edge strikes, and foreign object strike-throughs can be faked. Many errors are sold ungraded because of their relatively low value and the relative cost of grading.
Printable version; In other projects ... Pages in category "Mint-made errors" ... 0–9. 1955 doubled die cent; 2000 Sacagawea dollar – Washington quarter mule; B.
The over mint mark is created when a one date and mint mark is punched over another date, part of a date, or mint mark. These coins are generally restricted to the early minting process of coins dating before the turn of the century. The DDO and DDR errors are related to any part of the coin that shows a distinct doubling.
Retrieved from "https://en.wikipedia.org/w/index.php?title=Mint-made_error&oldid=19884631"This page was last edited on 29 July 2005, at 22:40 (UTC). (UTC).
The following mint marks indicate which mint the coin was made at (parentheses indicate a lack of a mint mark): P = Philadelphia Mint. D = Denver Mint. S = San Francisco Mint. W = West Point Mint. O = New Orleans Mint. CC = Carson City Mint
The following mint marks indicate which mint the coin was made at ... Doubled die errors are known. [4] D 7,189,600 S ... Commons Attribution-ShareAlike 4.0 ...
The following mint marks indicate which mint the coin was made at: P ... Extra leaf errors are known. [3] [4] S ... Commons Attribution-ShareAlike 4.0 ...
In addition, the mint has a practice of polishing the dies and using them longer. When a die begins to show evidence of wear, a mint technician will polish the die and reuse it. However, the die is still rapidly deteriorating, and polishing it cannot avoid the problem of wear.