The collection belongs to Mr Viet Nguyen Ding Tuan, and has been valued by the experts at Rare Whisky 101 at a price of £10,770,635. It comprises 535 of the world’s rarest and finest bottles of Scotch and Japanese whisky.

Some of the high points in the collection include one of the few complete Macallan Fine & Rare collections in the world; only 40 bottles of the Macallan 1926 were released and Viet owns three. There is also one of only 12 bottles of the oldest Bowmore ever released, and one of 24 bottles of the 1919 vintage Springbank within the collection.

Mr Viet explains: “For me, whisky collecting has been my life’s passion. Every spare I moment I get I’m searching auction sites and trading websites to find famous and rare whiskies from around the world. Clearly this requires a lot of patience and no shortage of tenacity, but I’m proud of my efforts. As for my collection, I have no intention of selling any of it. Not one bottle. In fact, I’ll continue to hunt for more old and rare bottles and add to and enrich it."

Andy Simpson, co-founder of Rare Whisky 101 says: “We were somewhat gobsmacked, not to mention a little envious, when we realised the breadth and depth of Mr Viet's collection. It’s a truly stunning example of one person’s 20-year passion and desire to seek out the finest, rarest bottles of whisky in the world.

“There are certainly reasonably well-known whisky collections around the world which contain far more bottles from a volume perspective. However, from a pure value perspective, we’re confident this collection is head and shoulders above the rest.”