Don't have the coins in hand yet; just won the lot. I was going for the very nice Kushan at the bottom, plus the very scarce Constantius Gallus double standard type (sadly not a Vetranio!). The squarish silver coin did catch my eye:


Any ideas? Medieval European really isn't my thing... too fragile, obscure rulers, and horridly illegible legends. I think I have seen similar attributed as a bracteate pfennig from ca. 12th century Germany?