What Causes This? - Coin Community Forum

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Author	Replies: 8 / Views: 1,790
fioti Pillar of the Community United States 4212 Posts	Posted 08/08/2010 4:48 pm This is on a Spanish coin. The lines coming from the letters are raised. The closer they get to the rim, it almost looks incused. Would this quaify as an error? This is both ob. & rev. Report this Post to the Staff

carmykle Pillar of the Community United States 2448 Posts	Posted 08/08/2010 9:43 pm Well one of the trademark signatures of counterfeits are spikes, or tool marks emanating from dentals, but no one is that sloppy. Is the coin authentic? I'd take it to a dealer or two that you trust. Report this Post to the Staff
biokemist6 Bedrock of the Community United States 12437 Posts	Posted 08/08/2010 10:17 pm severe die wear Report this Post to the Staff
carmykle Pillar of the Community United States 2448 Posts	Posted 08/09/2010 1:11 pm Wow! I've never seen one that bad before. But then I really don't collect nor have I really studied error coins. Thanks biokemist6. Report this Post to the Staff
biokemist6 Bedrock of the Community United States 12437 Posts	Posted 08/09/2010 1:24 pm The cold flow process that occurs during the striking of a coin slowly erodes a die over time. At first, this erosion is a good thing because it creates the microscopic flow lines that impart luster to a coin. Over the course of tens of thousands of coin strikings, those microscopic lines further erode and eventually you have a coin with an appearance of the one posted. If the tool steel used for the die is of an inferior quality, then the erosion will be even more prominent. Harder coinage metals such as nickel or steel will also exacerbate the erosion problem. Report this Post to the Staff
carmykle Pillar of the Community United States 2448 Posts	Posted 08/09/2010 2:03 pm I'm gonna get a book! NOW! Wow, this is why I love this forum. The open exchange of knowledge. I'm in my 60s and it's not often I'm aroused to consider a new direction in collecting. Look out folks, "It's Alive"! Suggest some books! Report this Post to the Staff
DVCollector Bedrock of the Community United States 10045 Posts	Posted 08/09/2010 3:03 pm die wear--you even see this on Canadian coins. Report this Post to the Staff
zeewool Pillar of the Community 3660 Posts	Posted 09/27/2010 8:41 pm A quite common effect on CBH Mike. Report this Post to the Staff
Bryan1315 Bedrock of the Community United States 14454 Posts	Posted 09/27/2010 9:48 pm yep, looks like it stretched the metal. You see this allot with older Capped Bust coins from the US usually around the stars and date Report this Post to the Staff
	Replies: 8 / Views: 1,790

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