This portrait was probably painted by Rembrandt around 1634 at the age of 28. The young man probably belonged to the elite of Amsterdam (Golden Age).

The oil canvas ended up in the collection of Richard Neave, governor of the Bank of England from 1783-85 and a trader in the West Indies. His descendants put it up for sale at Christie’s.

The portrait itself will go on display for a month at the Hermitage in Amsterdam from Wednesday. News of the painting’s discovery was first reported by the Dutch newspaper NRC.

The first “new” Rembrandt to surface since 1974, this 'discovery' was made by art dealer Jan Six.

Mr Six has written a book on the work’s discovery, published this week.

His forefather (by the same name) was painted by Rembrandt in 1654.