Thanks for helping!
Thank you!
I am undertaking a research project and I am searching for attributed examples of Master Die Doubling. Can anyone help me by providing links? My...
The cause is scraped up metal from the action of feeder finger die scrapes. This scraped up metal may appear randomly anywhere on the design....
More specifically, I think the larger area on your coin is what has been named "feeder-linked struck through." The cause is scraped up metal from...
The area shows scrapes at the same angle as NE of the shield. It is more common with Schuler horizontal stroke presses for additional gouged areas...
https://www.error-ref.com/radial-flow-lines/
Weight of your 1944?
2018 would be the first year a Dial Feeder was used on the Schuler Press.
The term for the deeper, wider area is "Feeder-applied struck-through" The feeder scrapes on the die end up leaving piled up shaving on the die...
Thanks for letting us know! I appreciate following your progression in finding a good descriptive name for: "Feeder-applied struck-through errors"
STRIKE EFFECTS UPDATE In a discussion of the existence of ridges and valleys forming a corrugated type surface on the fields of copper plated...
Agree! I appreciate the support and encouragement given to me by Ken and I value the collaboration and also having this piece in my collection!
I have been studying plating dynamics for copper-plated zinc cents. I summarized some of my findings in a paper titled PLATING SURFACE...
I have been researching plating issues on Copper Plated Zinc Cents. The information I have found has been both interesting and challenging. My...
I see how you read it ➡️ could be a possibility!
Agree. It is confusing! I have received several communications from the Mint RE: tolerances, and their format is inconsistent! I interpret this to...
You are welcome! I found it interesting and challenging!
There are two primary areas still to be addressed. One is the applicability of studies (as discussed in the paper) of copper deposition at the...
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