Changes

Oude Quetsche Tilquin à L'Ancienne is a lambic blended with a variety of plums. The plums are added in high concentration to 1-one year old lambic for a period of 4 four months (with the exception of the first test batch that aged for almost 6 months on fruit). The resulting fruit lambic is blended with additional 2- two year old and 3-three year old lambic to create a final fruit concentration of at least 250g/l. Oude Quetsche Tilquin à L'Ancienne is labeled as 6.4% alcohol by volume ABV and is available in 37,5cl and 75cl corked 375ml and caged 750ml bottles as well as on draught on occasion.

* 2011-2012 - Small test batch made with fresh prunes de Namur (Belgium), limited to 548 bottles and sold with a one 75cl 750ml bottle per person limit at the brewery only. The lambic spent almost 6 months on the fruit (fruit added 8/30/2011 and removed 2/23/2012).

* 2012-2013 - Made with fresh Quetsches véritable d'Alsace (France) because there were no prunes de Namur available due to cold weather. Released at Toer de Geuze 2013 after 3 three months in the bottle.

Pierre TIlquin Tilquin described the differences between the two plum varieties in a post on Facebook: "They are very close, but the Quetsche véritable d'Alsace is a little bit more sweet than the Prune de Namur, which is a little bit more sour. The Prune de Namur is also a little bit smaller than the Quetsche véritable d'Alsace".<ref name=TilquinPlumVarities> Facebook, [[media:TilquinPlumVarities-FB.png|Quetsche Tilquin - batches 2014-2015 in progress]], September 11, 2014</ref>

Oude Quetsche Tilquin à L'Ancienne was first released in February of 2012 and was approved for distribution in the United States on October 20, 2013.<Ref name=TTBQue>TTB Label Approval, [https://www.ttbonline.gov/colasonline/viewColaDetails.do?action=publicFormDisplay&ttbid=13268001000153 Oude Quetsche Tilquin à l'Ancienne], 2013</ref> It comes with a best-by date in dd/mm/yyyy format as well as a neck label with the vintage season. The first round of bottles were released with a 2011-2012 neck label and subsequent batches have followed a similar pattern. The best-by date on the reverse label is 10 years beyond the bottling date. For example, the first batch, had a best by date on 23/02/2022 and a neck label of 2011-2012. This would mean that it was bottled on February 23, 2012.

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