Many cities and towns in Italy will be hosting rallies of vehicles of historic and collectors' interest.
In Bardolino, vehicles of historic and collectors' interest will be on display from 09.00 to 18.00 on the Lungolago Roma, freely and without time limits. You can arrive and leave whenever you want, with entrance and exit from Via Mirabello.
By way of information, any vehicle, if kept in good condition and not modified for at least twenty years, can be certified as being of historic and collectors' interest exactly 20 years after its date of construction. The only document that can certify the historicity of a vehicle is the Certificate of Historical Relevance (CRS), not to be confused with the Certificate, which no longer has legal value (those who only have the Certificate must apply for the new CRS, in force since 2010).
In Veneto, the CRS transcribed on the vehicle registration certificate allows you to benefit from a 50% reduction in ownership tax. Since these topics have different answers depending on the type of vehicle and the region of residence, the use made of the vehicle, etc., it is always best to call and ask specifically what the answer is for the vehicles in your possession.