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Logo of the Mumm RSRV Champagne house

Mumm RSRV Champagne

The Mumm RSRV collection represents the most exclusive and discerning expression of the House of G.H. Mumm, founded in Reims in 1827. Whilst the Cordon Rouge embodies the House’s accessible generosity, RSRV selects only grapes from plots classified as 100 per cent Grands Crus — chalky soils in Cramant and Avize on the Côte des Blancs for the Chardonnay, and clay-limestone soils in Verzenay, Aÿ, Bouzy and Ambonnay on the Montagne de Reims for the Pinot Noir. Under the guidance of cellar master Yann Munier, each cuvée features a deliberately dry dosage — between 6 and 9 g/L — and is aged for a minimum of four to six years. The result: understated, straightforward champagnes of rare purity, distributed in limited quantities to carefully selected venues.

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Mumm RSRV Champagne — Cuvée 4.5

The Mumm RSRV cuvées — four expressions of Grands Crus

The range comprises four Grand Cru wines. The RSRV Blanc de Blancs (100 per cent Chardonnay from Cramant) expresses the chalky minerality of the Côte des Blancs — perfect as an aperitif or with oysters and fine fish. The RSRV Blanc de Noirs, made from 100% Pinot Noir from Verzenay (aged for a minimum of 6 years), reveals power and complexity when paired with roast poultry or mature cheese. The RSRV Rosé Foujita (a tribute to the painter Foujita, a blend of six Grands Crus) offers a generous palate, ideal with red fruit desserts or fine charcuterie. The RSRV Cuvée 4.5 — 60 per cent Pinot Noir, 40 per cent Chardonnay, 5 Grands Crus, aged for at least 4 years — pairs superbly with sweetbreads, fish in sauce and full-flavoured cheeses.

RSRV champagnes should be served at between 8 and 10 °C in a tulip or Burgundy-style glass, which allows the bouquet to express itself fully. The Cuvée 4.5 reaches its peak within 4 to 6 years of purchase; the vintage Blanc de Noirs can improve further for a further 2 to 4 years in a cool cellar, away from light.

Discover the full Mumm RSRV collection at Pépites en Champagne — Cuvée 4.5, Blanc de Blancs, Blanc de Noirs and Rosé Foujita, selected for their authenticity and character. Express delivery to France and Europe.

Mumm RSRV — A tradition of reserve wines dating back to 1838

The House of G.H. Mumm was founded in 1827 by Gottlieb de Mumm, Friedrich Giesler and Jacques-Louis Bohne. From 1840 onwards, it patiently built up a portfolio of Grand Cru vineyards in the finest terroirs of Champagne. The legacy that gives the collection its name dates back to 1838: it was customary within the House to fold the corner of a menu and set aside its finest bottles for its closest friends — hence the acronym RSRV, short for ‘réservé’.

Today, cellar master Yann Munier continues to uphold exacting winemaking standards: a dosage of 6 to 9 g/L — well below the average for ‘brut’ — and extended ageing of four to six years in the cellar, depending on the cuvée. This approach prioritises the precision of the terroir over the roundness of sugar, revealing the essence of each Grand Cru.

Domaine Mumm RSRV in Champagne — vineyards and cellars in the Marne region

Your questions about Mumm RSRV champagnes

What does the acronym RSRV stand for on Mumm bottles?
RSRV is short for ‘réservé’. As early as 1838, it was a tradition at Maison Mumm to fold the corner of a card and set aside its finest bottles for its closest friends. This collection continues that legacy of exclusive selection: quantities remain deliberately limited and distribution is carefully selected.
What food and wine pairings go well with Mumm RSRV champagnes?
Blanc de Blancs is at its best as an aperitif, with oysters or a fine fish dish. The Blanc de Noirs pairs well with roast poultry, sweetbreads and hard cheeses. The Rosé Foujita complements fine charcuterie and red-berry desserts. The versatile Cuvée 4.5 is equally at home as an aperitif or at a gourmet dinner.
How should Mumm RSRV champagnes be served and stored?
Serve at between 8 and 10 °C in a tulip or Burgundy-style glass to reveal its aromatic complexity. Cuvée 4.5 is at its best within 4 to 6 years of purchase; the vintage Blanc de Noirs can improve further over a further 2 to 4 years in a cool cellar (12–14 °C), away from light and vibrations.
Where can I buy Mumm RSRV champagne online?
Discover the full Mumm RSRV range at Pépites en Champagne — an artisanal selection, expert advice and express delivery throughout France and Europe.
Why are Mumm RSRV champagnes more demanding than Cordon Rouge?
Le Cordon Rouge is the House’s festive and accessible ambassador, with a dosage of around 12 g/L. RSRV has a very different ambition: 100 per cent Grands Crus exclusively, with a dosage reduced to 6–9 g/L, aged for 4 to 6 years in the cellar, and distributed on a limited basis. It is not the same standard — this is what Mumm reserves for its most discerning connoisseurs.
What are the differences between the Mumm RSRV 4.5, Blanc de Blancs, Blanc de Noirs and Rosé Foujita cuvées?
The Cuvée 4.5 (5 Grands Crus, 60% Pinot Noir / 40% Chardonnay, aged for 4 years) is the most versatile and the ideal introduction to the range. The Blanc de Blancs (100 per cent Chardonnay from Cramant) is the most mineral and floral. The Blanc de Noirs (100% Pinot Noir from Verzenay, aged for 6 years) is the most structured and complex. The Rosé Foujita (6 Grands Crus) is the most indulgent and festive.

About

Champagne Mumm RSRV — the essentials

Founded in
1827
Founder
Gottlieb de Mumm, Friedrich Giesler & Jacques-Louis Bohne
House / owner
Pernod Ricard (owner since 2005)
Location
Champagne
Grape varieties
Pinot Noir, Chardonnay
Cellar master
Yann Munier
Cuvées
RSRV Blanc de Blancs, RSRV Blanc de Noirs, RSRV Rosé Foujita, RSRV Cuvée 4.5

Further reading

A cellar master presenting a bottle of Mumm RSRV in the cellars of G.H. Mumm in Reims, in front of the racks of bottles on slats
Mumm RSRV: Cuvée 4.5, Foujita Rosé, Blanc de Noirs, Lalou — Mumm’s exclusive collection: which cuvée should you choose?
Everyone is familiar with the Cordon Rouge. Few people know that behind this ribbon, Mumm keeps a collection that the house used to reserve for its friends: RSRV, four cuvées made exclusively from grand cru grapes, with low dosage, and aged for four to six years. Here’s what they’re worth, what sets them apart, and which one to choose.
Grape harvest on the Montagne de Reims: hands holding a bunch of Pinot Noir grapes above a wicker basket, with a bottle of Piper-Heidsieck Essentiel Blanc de Noirs beside it
Blanc de Noirs Champagne: what it is, what it tastes like, and 16 cuvées ranging from €32 to €99 to try
A white champagne made exclusively from black grapes: this is the ‘blanc de noirs’, the opposite of the ‘blanc de blancs’ and, for a long time, the poor relation of Champagne. It has become the favourite cuvée amongst lovers of everyday champagnes. What it is, what it tastes like, what to pair it with, and sixteen cuvées from our cellar, ranging from a winemaker’s Meunier at €32 to a Pinot Noir from a single vineyard produced by the great houses.

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