Mumm Rsrv Blanc de Blancs 2015

Mumm Rsrv Blanc de Blancs 2015 belongs to the part of the Mumm range where origin and vintage matter more than the broad house blend. This is the 2015 release, and its identity is tied to Cramant, one of the Côte des Blancs Grand Cru villages where Mumm has important Chardonnay holdings. That gives the bottle a very different role from Cordon Rouge or Grand Cordon. Those wines are designed as recognisable house references; RSRV Blanc de Blancs is a more focused purchase for buyers who want to explore how Mumm handles a specific vintage and a specific Chardonnay-led Grand Cru origin. Mumm has a substantial vineyard estate for a major maison, with important holdings across several Grand Cru villages. Cramant is especially relevant here because it places this wine firmly on the Côte des Blancs side of the house’s identity, away from the Pinot Noir emphasis that defines much of Mumm’s wider vineyard base. The 2015 vintage should be treated as part of the bottle’s identity rather than as a minor label detail. Buyers comparing different RSRV releases should check the year carefully because the vintage and technical specification are release-specific. That makes this bottle particularly suitable for anyone building a vertical comparison or contrasting Mumm’s village- and vintage-focused wines with its regular house cuvées. For a first encounter with Mumm, Cordon Rouge remains the obvious starting point. For someone already familiar with the house and looking for a more precise expression, RSRV Blanc de Blancs 2015 is the more informative choice. Its appeal lies in the combination of a declared 2015 vintage, Cramant Grand Cru origin and the clearer Chardonnay focus implied by the Blanc de Blancs style. It is therefore best bought for what it reveals about Mumm’s vineyard range rather than simply as a more expensive step above the standard bottlings.