1892-O Morgan Anomaly - Coin Community Forum

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Author	Replies: 7 / Views: 1,561
Darth Morgan Pillar of the Community United States 2815 Posts	Posted 03/17/2016 9:11 pm I've had this 1892-O for a while, and I'd like see what others make of this apparent anomaly on the obverse. It runs from the date and through the stars to the lower right of Liberty's visage. I'm scratching my head on this one. Could it have been a jewelry piece at some point? It looks as though it was melted in this area and then re-solidified. Thoughts? Report this Post to the Staff

Jaobler Pillar of the Community United States 6383 Posts	Posted 03/17/2016 10:37 pm Looks like a delamination, possibly caused by an alloy defect which caused the planchet to split along the affected area. It's a legit mint error but probably doesn't add any premium. Report this Post to the Staff
GR58 Bedrock of the Community United States 11951 Posts	Posted 03/17/2016 11:18 pm It is a interesting looking coin. I am curious to read more expert opinions on this one. Report this Post to the Staff
Imthealphaomega Pillar of the Community United States 3210 Posts	Posted 03/18/2016 08:38 am Could it be dirt buildup or something else? Did you rinse it off or acetone bath it to see if anything changed. If nothing changes then it appears to be a lamination error. Report this Post to the Staff
Dipper Valued Member 146 Posts	Posted 03/18/2016 10:29 am I've seen these before. Key to ID: If the crooked black ridge where the color change occurs is slightly raised or is not attached, it is a lamination. If there is no separation it is either an alloy mix problem or simple discoloration. Photo looks like alloy that is separating (lamination) but need coin under the microscope to be sure. Report this Post to the Staff
Cascade Pillar of the Community United States 7390 Posts	Posted 03/18/2016 12:02 pm Not sure darth but I would guess that it was a big buildup of crud that was on there for so long that when it was finally given a bath the removed crud exposed metal that aged at a different rate Report this Post to the Staff
Darth Morgan Pillar of the Community United States 2815 Posts	Posted 03/18/2016 8:24 pm Quote: If the crooked black ridge where the color change occurs is slightly raised or is not attached, it is a lamination. The anomaly is definitely raised, so I do think this is a lamination error. I'm now led to anothger question. Did this delamination process occur over time or was the defect inherent in the original blank planchet? Thanks for all the comments! Edited by Darth Morgan 03/18/2016 8:27 pm Report this Post to the Staff
Cascade Pillar of the Community United States 7390 Posts	Posted 03/18/2016 8:48 pm Ah, then lamination it is. It's from trapped gas or trapped black slag in the molten alloy from the smelting process Report this Post to the Staff
	Replies: 7 / Views: 1,561

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