May 7, 2018
On 7 May 1337 goldsmith Ugolino di Vieri received the first payment for his masterpiece, the reliquary of the Santo Corporale of Bolsena.

September 16, 2016
Official protocol of the City of Orvieto, 16 September 1310, Archive of the Community of Orvieto, Deliberations of the Commune from 1310-1312, fol.

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