Unlike the other famous Champagne houses, Bollinger has avoided a slew of international investments. But they did buy into Langlois-Chateau, with its 33 hectares of superb chalk and flint vineyards, in 1973.
And have been making great Sancerres with the same uncompromising perfectionism of their Champagnes ever since. (Including yields as low as half of those found elsewhere in Sancerre.)