Coupage typically refers to a once common practice of blending old and young beers together to combine the best characteristics of each beer. They blended their farmhouse base with their some of their blended Spon, which itself is a blend of beer from 2014, 2015 & 2016. To say this rustic beer is complex is an understatement.

Untappd - 4.15
Beer Advocate - 4.12