Thanks SPP Ottawa. I wondered if those 1971 errrors were the last Hurrah before prison? I've only looked for Silver Dollar errors but there were a...
On a more fundamental level: Is there any relative mtion between the metal and the die? Does the metal skid across the die to where it is needed?...
Thanks Jeff. That's my position too. So your position is that flow lines are like the scratches left on granite by long gone glaciers. When I...
How do the deep grooves that started this thread and called "flow lines" mark the actual flow of matter? What direction was the matter flowing...
Thank you very much for a very helpful thread. Please don't confuse the surface marks called "flow lines" with the actual flow of matter. This is...
1) I don't think silvers oxidizes to Ag2O but rather to Ag2S which is black and irridescent in thin films 2) you are looking at age hardening...
Balancing one object with another on a lever arm is a very accurate way of determining relative weights. String and a branch for such a scale were...
A toned silver coin is a damaged coin! An irridescent uniform purple tone may be very attractive, but it is the death throe of a coin strangled by...
Sorry I missed the joke. Surely a variety is an intentional die alteration and an error is a malfunction during production. Damage occurs in...
The die rotations in the Diving Goose Dollar range from tiny, that no one cares about and probably within mint tolerances, to very noticeable but...
Thanks Paddyman98 for the informative links. There is obviously a problem as the first link says that die cracks are a mint error ("Defective Die...
Is Peter T Davis the Peter in the pop up asking me to PM "Peter" if I think something should be a feature post. How do you PM anybody here?
Thanks John. This all started following up a rumour that 4 varieties (1966 small beads, diving goose, inverted goose, and double struck 1967) were...
Thanks Conder. I believe there is some kind of freedom of information law in Canada. The newspapers keep using it to find stuff the government...
Thanks John. For the most part I agree with you but here's my misunderstanding. The blunt and pointed 5's in 1965 were innocent, much like the...
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