Help with coin ID, please

The other side of this, presumably obverse, is just the clean planchet, no date or anything else. It may not be a actual an actual currency coin. Sorry for the poor photo.

Thank you,
Chuck

Thank you,
Chuck
Markets (governments) can remain irrational longer than an investor can remain solvent.
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Odd
My wantlist & references
DPOTD-3
'Emancipate yourselves from mental slavery'
CU #3245 B.N.A. #428
Don
Thank you for the replies. The "pattern" issue you raise has me wondering. My Krause is the 2007 for 1901-2000 so I can't get back to 19th century without a trip to bookstore.
I have always just thought it a novelty piece that someone sliced or abraded one side off of.
Again, thank you for your comments.
Chuck
Todd
Chuck