I agree: need much sharper pictures.
First question to ask:
Where did it come from?
(Provenance is an important factor to help establish authenticity)
How much does it weigh?
If the surfaces look 'pasty', then strong evidence that it may be fake.
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I have an 1804 Dollar - I bought it for $3.
That is evidence enough by itself that mine is a fake.
The only way that I can ever hope to own an 1804 Dollar.