Also known as Schlafly Altbier
Commercial description
This medium-bodied, dark, hoppy ale has a slightly roasted character. Alt is THE beer of Dusseldorf. Available February through April.
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Schlafly Altbier

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.