The recently restored bass viol at the Castello di Duino, October, 2010
Although the opinions of experts from Europe and the USA do vary, the general consensus is that this instrument in in the purest tradition of Nicolò Amati from Cremona. The names that so far have been mentioned are: Nicolò Amati, Andrea Guarneri, Pietro Guarnerius of Mantova, Pietro Guarneri of Venice, Giacinto Ruggieri, among others.
In light of recent evidence, after restauration, the final concensus is: Pietro Guarneri of Mantova
The Italian Renaissance and Early Baroque viols in concert:
Music for Charles V and Philip II
Body length mm Upper width mm Middle width mm Lower width mm Rib height mm String length mm