The same way you would recognize a post 1968 proof coin. I'm not sure I understand the question, or at least not the significance of 1968.
It's a private Yahoo group headed up by Mike Diamond, so to the best of my knowledge there is not a way to direct link to it.
I think you have a big misunderstanding about the copper plating on Zinc Cents. It's not the copper that "fills up the devices." The copper...
It's a cent, and, ipso facto, worth one cent.
I've been following Mike's comments over on the Yahoo group. Looks like you've got an interesting one here.
It appears to have been stripped of the copper plating. Is it slightly larger than a normal cent?
Nice pick up Matt!
I'm not seeing any error on either coin. The mint mark on the 56-D is withing mint tolerances.
Whoever does the coinsandcanada.com website misdiagnoses a lot. Plus he calls MD "die shift doubling"(a term I have no problem with) and tends to...
Or maybe he discovered that he needn't remind people that the two pizzas were a better deal than his offerings.
What you're seeing in bay 3 is a normal clash. The other marks are not a clash.
As far as policy goes, they have no requirement for showing photos of both.
I see a normal coin, but it always helps if you point out to us what in particular you are questioning.
This is zinc rot under the overlying copper plating. There's nothing deceptive, nor tricky about this particular example. Very common.
There would be no mint mark for 1961. If you don't have experience with them, then I would post photos here. It's all in the details and the...
Officially the Motto currently is IGWT. EPU along with the denomination is called the inscription.
This illustrates the point that the primary pick-up point should always be the doubled die itself. While the markers can be useful in...
The first coin posted is NOT die #2. The second coin posted is die #1. Nice find.
This is an offcenter strike. I doubt it was smuggled out of the mint. These are most often found in bags from the mint. As for value,...
Keep looking, you'll find something. You'll also notice more of these die chips on the wheats. Another very common area for chips to develop on...
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