Researching Gino's Norton

Hello to everyone im searching some really special norton commando 750 and 850, im talking about the norton commando's made by Gino Sassaroli, im an historian and also im from Florence the city of Gino, if somebody have some of this norton with the 5 speed with engraved the Gino Sassaroli Mark, please contact me.

You can try to contact the seller of this set of cases: