As the French Hachette Guide, which rates this a Vin Remarquable, explains:
Right next to the Criots-Bâtard-Montrachet Grand Cru, Les Blanchots Dessous was on the verge of being classified as a Grand Cru during the 1930s. But ultimately, on May 31, 1939, the Ferré Commission gave in to Puligny's objections and did not want to create an imbalance between the two villages. What a cru! Marie-Laure and Marie-Anne Bouzereau can be proud. Light gold, pink and honeysuckle, less expensive than the Grand Cru, it has style and many nuances, an accomplished sap and a complexity to dream about. It will please you now.