I don't think that it has been cleaned. IT just has "wood-grain toning." This occurs when the metals are not properly mixed before the blank is made. So the different components tone a slightly different color, which creates that streaking effect.
Looks very nice and I can't see any evidence of cleaning in the images. It's an AU55 easy and could be "market-graded" into MS62 slab if no problems are found.
The current bid is already over AU money and I can see why because it looks like a $40 coin to me.
I don't see any wear or problems. Color is red-brown and it appears original, with wood-grain texture as noted. Details are very strong. If luster is intact I could see this coin in an MS-63RB holder. The ticks in the obverse field would preclude any higher grade. If luster is impaired I think it should score an AU-58.
It does not look cleaned to me. If anything, the "shininess" that it displays may be due to an acetone bath, but I don't think that detracts from the overall value of the coin.
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