| Added by |
 Mr.Firu Gabriel-Eugen
, with updated images by  Alain Martineau
|
| General Description : | In 1906, Giovanni Agnelli founded with Ingegner Incerti the manufacturer of bicycles "Ingegner Incerti", the company "Roberto Incerti & C. Villar Perosa" - RIV to produce ball bearings. |
| Front Description : | GIOVANNI E EDOARDO AGNELLI |
| Back Description : | 50 RIV 1906 - 1956 VILLAR PEROSA MASSA CASSINO - TORINO |
| Diameter | 35.00 mm |
| Material | -I do not know- |
| Catalog prices | No catalog prices set yet |
