Also known as Flag Porter 1825 Original
Commercial description
Brewed with 1825 yeast salvaged from a sunken vessel in the English Channel using an original 19th century recipe.
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Flag Porter 1825 Original

The brewer markets this same or near-same product by more than one names. This can be the result of a brewer distributing this beer under different names in different countries, or the brewer simply changing the name, but not the recipe at different points in time.