As you will see, the obverse and reverse appear to be sanded but aren't. At first glance this coin would be labeled as PMD, but I have seen similar coins a 1975 LMC and 1995 LMC, but not this extreme. It is
Perhaps not sanded, but the fact that these scratches extend onto the rim tells me that it is just damage. Maybe a wire bristle brush? Do you have links to those other coins with similar marks that aren't damage?
"If you climb a good tree, you get a push." -----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed." -----King Adz
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