Why is the Stradivarius violin so expensive?

Violin-maker, restorer and dealer Florian Leonhard spoke with Sean about the 550 rare Stradavari violins that are left in the world today

There are only 550 Stradivarius violins left in the world, and today one of them will be up for auction in London.

The instrument is expected to fetch over €2million

One man who knows all about the Strad is Florian Leonhard, a restorer and dealer and one of the world’s leading experts on violins

He spoke with Sean Moncrieff yesterday. You can listen back here: