Among the first in e-commerce for collectible watches and a great popularizer, his site mazzariolstefanolibrary.com is the most important online archive of vintage Rolexes in the world.

At 19, he bet it all on a Patek Philippe 130 steel black dial. Forty years later he is a world number one.

vintagewatches.it

mazzariolstefanolibrary.com