Hard Struck Roosevelt 1991-D Dime - Coin Community Forum

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Author	Replies: 5 / Views: 3,583
Bluevase Valued Member United States 114 Posts	Posted 11/03/2017 12:54 pm This coin was in the error coins area but without a label. I'm guessing it is an example of a railroad rim? (updated to call it Hard Struck) The Wikipedia Definition: Edge and rim errors Blanks are surrounded by collars when struck to prevent the blank from flattening and spreading. Edge and rim errors occur when collars are either out of position or are deteriorated. A wire rim occurs when excessive pressure squeezes out metal between the collar and the edge of the die producing an extremely high thin rim. A partial collar occurs when an out-of-position collar leaves a line around the coin which is visible when looking at its edge. A partial collar is sometimes called a railroad rim when a reeded edge coin is involved as the line resembles a rail and the reeds resemble railroad ties. Edited by Bluevase 11/03/2017 2:45 pm Report this Post to the Staff

SsuperDdave Moderator United States 23522 Posts	Posted 11/03/2017 1:04 pm This is just a hard strike. A "Railroad Rim" happens when the collar is only partially in place, leading to a coin whose cross-section resembles the wheel of a railroad car (Image courtesy of Coop, with accreditation to the original taker): Report this Post to the Staff
Bluevase Valued Member United States 114 Posts	Posted 11/03/2017 1:35 pm Thanks, Got it. Hard strike probably meaning little value other than characterizing what it is for further awareness. Thanks again! Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 11/03/2017 10:38 pm The dime looks pretty much normal from what I can see from the images. Report this Post to the Staff
Bluevase Valued Member United States 114 Posts	Posted 11/04/2017 12:03 pm Sorry, very difficult to show but added two more close ups. Staring at it myself it sometimes doesn't seem evident but what I see is on the Obverse on the lower edge of the coin the raised rim that is typically the same width and height throughout the edge has a raise sharp edge offset inwards slightly. On the Reverse, on the opposite of the Obverse, by the word DIME it has the same phenomenon where the normally consistent width and height of the rim, changes to a raised sharp edge offset inwards. No idea if this is rare or common because only us would look so closely at a coin like this. Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 11/04/2017 3:23 pm Are you talking about the ridge next to the rim. Sometimes when the die is polished, the edge of the die will be altered/reduced a bit. On the coins struck with it, there will be a line that raises like your coin. Not a doubled die, just a die alteration. No premium, but knowing what it is..... priceless. If the outside of the edge of the die was polished a bit, then it would leave a raised ridge. The fields are the outside part of the die, the rim is on the lower outside part of the die. The devices are sunk into the die. Report this Post to the Staff
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