Discussion in 'US Coins Forum' started by volker00, Nov 10, 2009.
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TheBIGH, yes, I agree. I went back to look at my wheaties and I noticed a few more 25's that had wood graining. One had the same orientation as the one I posted, another was more vertical.
I like coins with "personality".
Nice coin no matter what. I like the looks of it.
That's My Two Cents
Snaz - thanks for the advice. I actually probably won't get it slabbed, since I doubt I will ever sell it. I'm just looking for an excuse to slab my first coin.
Also, I've heard this effect referred to as wood grain toning. From what I understand, this effect is caused by the alloy mixture not being mixed correctly, or something like that. That would be different than toning, which is caused by oxidation or exposure to some other environmental agent. Am I getting this right?
Well, sort of. You are correct about both the toning and the alloy mixing. However, the alloy mixing does not show up until the coin begins to oxidize. Thus, it is the different rates of oxidizing that make the graining show up.
Gotcha. I didn't know it didn't show up until after the coin begins to oxidize. It all makes sense now. Thanks!
learn something new everyday.
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