I found this one in a Bank's roll. Is this one Clad with Ferromagnetic Manganese Brass? Thank for your opinion.
Is it just me, or does holding up a strong magnet to electronics such as your phone NOT sound like a good idea? (Pic 3)
When my 5 year old was 3 he held a magnet to a computer screen. Try that and get back to me...No don't! You will be buying a new screen.
The surfaces give me the feeling that this piece has been plated post mint... Probably with something magnetic.
Awordcreated; May be tomorrow I'll put more pictures of this one. It's no clear for me. about the glass of water. What I'm doing now is PUTTING ALL THE COINS (About 70 0 80) on the surface of a table. Then I pass my magnet like a UFO over all of them. "THE MAGNETIC ATRACTION IS MINIMAL; IT'S NOT A LOT.
The coin appear to have its original mint surface covered. It's probably plated with a combination of metals having magnetic properties. This would explain it minimal magnetic attraction. It's nothing special. Spend it.
This is the device I use in taking each picture. But without any Xtra lens. That one you see between the camera and the coin position place, is because I was doing some test.
I know that, some of you also will find some coins in your inventory, with magnetic attraction reaction. I think the best visual test, to show them, is this one. Right there are two of my coins 2000 Sacagawea y 2008P Presidential.
I have two US coins (outside of 1943 cents) that are attracted to a magnet. I know that both of them have been electroplated. You must accept the fact that your dollar coins did not come from the mint in a magnetic condition.
rickmp, absolutely No problem. I can accept that. These two coins did not come from the mint in a magnetic condition. There's only one question. Why the weight of the Presidential Dollar is too low (8.04 Grams) instead than the normal 8.10 grams? Material Removed before the electro plating?
It's a Cell phone magnetic holder. I pulled off from my car only with the intention of making this test. The question is that. Was the planchet like that before the strike happen? Can be a wrong planchet coming from The Royalty Canadian Mint?
Tolerance range is +/- .3 grams so the dollars could range in weight from 7.8 to 8.4 grams. So if it started on the low side you could add material through plating as still weigh less than the 8.1 gram standard.
Then, The weight it self of this Sacagawea (8.16 Gr) to probe; that was plated, before o after "the strike" in the Mint area. Does not mean anything; since this weight it's on the range. Neither the thickness (0.081") o The Diameter (1.045").
One of my last lessons was that: US MINT was making coins for other different countries. For that reason (because the demand was too high); THE ROYAL CANADIAN MINT was helping US MINT with planchets to be Strike at US MINT facilities. There's a remote possibility, Your magnetic coins, and My magnetic coins, are wrong planchets; intended to make other countries're coins