Growing numbers of savvy collectors recognise the value, diversity and investment potential to be found in the land of Barolo and Barbaresco, says a new introductory guide to Piedmont Nebbiolo on the fine wine market, available to Decanter Premium subscribers exclusively via the Decanter app.

As several readers will be aware, the exceptional Nebbiolo 2016 wines constitute the third very good-to-great vintage in four years. ‘Quality has gone up steadily for a long time now,’ said Greg St. Clair, Italian wine buyer at US merchant K&L. ‘In reality, since 1995, there’s only been one bad vintage – 2002.’