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All Forums Category: US Coins and Currency Forums Forum: US Modern Variety and Error Coins

Rim Errors, Differences And Examples Please

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Author	Replies: 2 / Views: 244
simplycoins101 New Member 8 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 976 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 Bedrock of the Community United States 22268 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 My Dansco 7070 type set coin count: 47/76 My Dansco 7181,7182 Uncirculated American Silver Eagle Albums - 1986 to Present My American Silver Eagle Collection - 1986 to Present My Dansco 8188,8189 Innovation Dollar Albums My Dansco 8176 Eisenhower-Dollar Album My Dansco 8166,8167 Kennedy-Half Dollar Albums My Dansco 8140,8143-8147 Washington-Quarter Albums My Dansco 8125 Roosevelt-Dime Album My Dansco 7112 Buffalo-Nickel Album My Dansco 8113,8114 Jefferson-Nickel Albums My Dansco 8100,8104 Lincoln-Cent Albums Report this Post to the Staff
	Replies: 2 / Views: 244

All Forums Category: US Coins and Currency Forums Forum: US Modern Variety and Error Coins

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