Rim Errors, Differences And Examples Please

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Author	Replies: 2 / Views: 4,907
simplycoins101 New Member 11 Posts	Posted 06/06/2023 7:43 pm I have been trying to figure out what the difference between rim errors are. What is the difference between a "railroad" rim and a finned rim or double rim or false rim. It gets somewhat confusing. A tilted collar or partial collar is easily determined which the others aren't. Trying to find the proper way to determine true errors from those 'made up' ones that keep floating around. * Moved by Staff to a more appropriate forum. * Report this Post to the Staff

Brandmeister Pillar of the Community United States 6556 Posts	Posted 06/06/2023 8:28 pm Error-ref.com is certainly a great resource for identifying errors. The pictures are super helpful. We just went through a lengthy discussion about nickel rims. http://goccf.com/t/446777 Railroad rim is a collar clash for a reeded coin. The die strikes the reeded collar, which cuts grooves into the die edge. Then that die strikes subsequent coin rims with a stepped pattern that resembles railroad tracks on a map. Someone just posted a dime with a collar clash recently. http://goccf.com/t/446708 Finning is caused by metal getting forced between the collar and the die. It makes a thin metal edge that sticks out from the coin edge. A weak strike can make the appearance of a secondary rim on nickels and pennies. The die doesn't force the metal all the way to the planchet edge and force it into a squared off shape. Edited by Brandmeister 06/06/2023 8:31 pm Report this Post to the Staff
Dearborn Moderator United States 97433 Posts	Posted 06/06/2023 10:02 pm This has the makings of a good topic to watch and post in.. Collecting since 1972. Learning from then on "Tell me and I forget. Teach me and I remember. Involve me and I learn." - Benjamin Franklin 7070 type set coin count: 51/76 Uncirculated American Silver Eagles My American Silver Eagle Proof Collection Sacagawea Dollars Innovation Dollars Eisenhower-Dollars Kennedy-Half Dollars Washington-Quarters Roosevelt-Dimes Buffalo-Nickels 1938-2005 Jefferson-Nickels Lincoln-Cents Report this Post to the Staff
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