The factor in the minting process most important to produce a well-struck coin is the striking pressure. Without sufficient striking pressure, the...
Yes, but semantics and terminology are very important for understanding and proper communication. I don't own a 1921 Peace but I have searched...
Die state and how well a coin is struck are completely different things. You can have a poorly-struck EDS coin, or a fully-struck VLDS coin.
I feared that's how this thread would end.
Here's a link showing the results of the two techniques: https://www.coincommunity.com/forum/topic.asp?TOPIC_ID=141101 Here's a link showing how...
The classic technique for Proof and PL coins is the ringlight. The ringlight must be big enough in diameter, or close enough, such that the light...
I use lens-mounted diffusers as they give me the best lighting flexibility. With proper masking I can light a coin well with just a single Jansjo,...
Grades on Lincoln Cents are mostly set by the obverse, which is a solid 64. The weak strike on reverse is acceptable for 64. I don't see any wear.
I don't see any rub, discoloration, or luster breaks. Just a few hits and a weak strike that bring its grade down to MS64.
MS64
That's the same image, just zoomed-in.
I've built a new system similar to my Copy Stand System-9 but with some reduced cost components. I made the following changes: - Larger wooden...
I use Digital Photo Professional (Canon product, free if you have Canon camera) and Raw Therapy. Both are free. RT is extremely powerful and...
Some of the discrepancy in where on the coin MD occurs can be explained by height differences between the devices. Take a look at this 1957-D with...
No worries, we're all getting older every day.
It's "to be determined".
Unfortunately I don't have any blanks or planchets. I'd certainly be willing to do the cross-sections (they are one of my FA specialties) if...
Perhaps so. We are so close to agreeing, and we do agree on the most salient point that the the metal at the surface of the die near the center...
I hate it when folks try to go back on what they say. Let me remind you what you said in your first post on the subject of metal flow: And then...
Separate names with a comma.
