It's an Austrian bullion coin. It does not really date to 1780. It's got 3/4 of an ounce of silver, and is worth $25, give or take.
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Silver coin. I have a few of these left to me by a friend who died. Know very little about how he acquired the coins.
M
Marc's Expert Appraisal
ANA-Certified Numismatist · Hudson Valley Numismatics
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Without photos... priceless!
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