Why don't Large Cents Rainbow Tone like Indian and Lincoln cents do?

I've seen absolutely stunningly toned Lincoln cents (some featured in a front page thread running right now…) and also some neat/attractive Indian cents with beautiful pastels and luster.
Why doesn't this happen with Large Cents?
Why doesn't this happen with Large Cents?
peacockcoins
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Check out some of my 1794 Large Cents on www.coingallery.org
As for the lack of toning, maybe the metal composition of the large cent planchets?
The coin docs were not nearly as good that long ago.
Interesting I just bought this one
Wheats = Metal Composition: 95% Copper - 5% Tin and Zinc
Large Cents = Metal Composition: ~100% Copper
While it doesn't have a lot of toning, this is one of the nicest LC I can recall seeing with color like this.
<< <i>Here was one I handled earlier this year... a gorgeously toned gem. NGC Fatty 65 CAC. My photos were conservative with the color.
While it doesn't have a lot of toning, this is one of the nicest LC I can recall seeing with color like this.
My Ebay Store
In the meantime, I do have this one:
<< <i>Large Cent Proofs do sometimes tone in fantastic shades. Large Cent business strikes sometimes tone a deep green. These are known as "greenies" to the EAC community and are avidly sought. >>
Bigmoose, are you calling me a toned Large Cent?
<< <i>
<< <i>Large Cent Proofs do sometimes tone in fantastic shades. Large Cent business strikes sometimes tone a deep green. These are known as "greenies" to the EAC community and are avidly sought. >>
Bigmoose, are you calling me a toned Large Cent?
Actually, it seems like BigMoose is calling your dad a toned large cent, GreenieJr.