Account roll for the royal silver mines near Calstock, Devon. 'Particule compoti Richardi de Wigornio, custodis minere domini Regis in Comitatu Devonensi, de omnibus receptis, misis et expensis per ipsum appositis circa operationes minere predicte a festo sancti Michaelis anno regni Regis Eduardi X° usque I diem Julii proxime per visum et testimonium Willelmi Hicche, contrarotulatoris ibidem.'
Former references: Phillipps no. 35582; Rylands Latin MS 248.