This is approximately 1966. It is unregistered, but shouldn't be too difficult to get an age related number has been used as a trials bike for some 20 years. The engine is very good, having had a big end and rebore (40 thou) in January 2016. It has cub hubs, a Fantic 200 tank with trials gearing - a good starter bike but would benefit from new modern tyres. I also have another C15 and a Royal Enfield Bullet for you to look