| Type of instrument: | Viola |
| Maker: | Mantegazza(Mantegatia),Pietro Giovanni |
| Country: | Italy |
| City: | Milan |
| Year: | 1785 |
| Length of body: | 40.2 cm. CM |
| Width of upper body: | 18.6 cm. CM |
| Width of waist: | - |
| Width of lower body: | 23.3 cm. CM |
| Work's Origin: | - |
| Estimates: | - |
| Description： |
