As of the time this question being asked, which is the most expensive beer in the world?
Is it available now?
Is/was it available for purchase for general public?
What is/was its price?
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Sign up to join this communityas mentioned above but with more details: the most expensive beer is a 12 liter bottle of Vieille Bon Secours which was stocked in a London restaurant for over 10 years. So it's the age and uniqueness of this one bottle that make it worth around 700£ / 832€.
Vielle Bon Secours ale I think. It's a Belgian beer brewed by Caulier. I saw the bottle in London 6 years ago, and it'll cost you around US$1,165.
Brewdog The End of Hisory were only produced in a 12 bottle limited edition with a stuffed squirrel around the bottle costing £500 per bottle. Unfortunately, they're all sold out.