Anchor Brewing Merry Christmas Happy New Year

Also known as Anchor Our Special Ale (2005 and later)
Commercial description
This is the forty-second annual "our Special Ale" from the brewers at Anchor. It is sold only from early November to mid-January. The Ale’s recipe is different every year, as is the tree on the label, but the intent with which we offer it remains the same joy and celebration of the newness of life. Since ancient times, trees have symbolized the winter solstice when the earth, with its seasons, appears born anew. This lone pine was found 1,000 miles from Omaha during the westbound construction of the transcontinental railroad.
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Anchor Our Special Ale (2005 and later)

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.