Italy, Isotta degli Atti, Mistress (1446) and later Wife (1456) of Sigismondo Pandolpho Malatesta, Lord of Rimini, by Matteo di Pasti, obverse portrait bust right, reverse Impressa of a closed book, bronze cast, 38mm (Hill, Corpus 188. Kress 64). Not the most lovely example, but at least an original cast