I recognize the first side: Poland 1 grosz, KM# 177, 1765-72 or 1772-94 (not quite sure why are those separated on Numista). But the other side is completely wrong.
Said other side appears to come from this Prussian 1/24 thaler (1764-86). But that type has a completely different reverse.
Not that either of those two types is that rare in itself. So I honestly have no idea what would they be doing on one coin together.
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