1. The rumour that the Chalice was partly made by French silversmiths does not seem to hold water. The maestro Robert named on the invoice was the pseudonym of the Navarrese enameller Miguel de Zuasti.
  2. The Silversmith’s alibi: he was in the workshop with his apprentices
  3. The Silversmith earns a lot of money and doesn’t seem to have any motive to have stolen this piece (which he also fiercely defends)