Flag Porter

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Flag Porter was an British ale brewed from a traditional 19th century British recipe using yeast that was salvaged from containers or barrels in a ship that sank in the English Channel in 1825.

In 1988, several bottles of the brew were obtained from the sunken ship in the Channel. They were still in their original containers, with their wood stoppers and wax seals intact. When opened, the beer were said to taste like wet boots" according to renowned brewer and microbiologist , Dr. Keith Thomas.

Upon examining the beer under a microscope, he found a small percentage of the yeast was still alive. He spend months growing this yeast and brewed a porter using an 1850 recipe.