What does B527 GI Yamanashi POSH taste like?

It is a very dry (extra-dry) rosé sparkling wine with fine, persistent bubbles, a delicate strawberry aroma from the Muscat Bailey A, and a crisp, clean finish.

How is B527 different from MGVs' other Muscat Bailey A wines, B521 and B553?

B521 (rosé) and B553 (red) are both still wines made from 100% Muscat Bailey A. B527 is a sparkling wine, made by blending Muscat Bailey A saignée juice with Koshu and finishing it via tank (Charmat) second fermentation — it is the only one of the three that is sparkling and the only one blended with Koshu.

Is B527 a vintage wine?

No. It is released as a non-vintage (N.V.) blend across five MGVs vineyard sites in Yamanashi Prefecture, rather than a single-harvest bottling.

What food pairs well with B527 GI Yamanashi POSH?

MGVs recommends it as a toasting or welcome-drink wine, and with barbecue, marinated dishes, and Chinese cuisine; its crisp dry finish also suits fried appetizers and light seafood.

Muscat Bailey A juice bled off via the saignée method is blended with Koshu, fermented in stainless steel tank, and then given a second, sparkling-inducing fermentation in tank (the Charmat/tank method) rather than in the bottle.

CuvéeKatsunumaRoséSparkling

B527 GI Yamanashi POSH

B527 GI山梨 POSH

MGVs Winery

About B527 GI Yamanashi POSH

Style: Rosé, Sparkling
Grape Varieties: Muscat Bailey A, Koshu
Price Range: ¥4,000-5,000
Alcohol: 12.5%

B527 GI Yamanashi POSH is a very dry rosé sparkling wine from MGVs Winery, part of the winery's premium bottle-boxed 'POSH' gift line. It is a blend of saignée-bled Muscat Bailey A juice and Koshu, sourced from MGVs' own vineyards across five sites in Yamanashi Prefecture -- Kamiiwasaki (including the Hikima plot) and Shimoiwasaki in Katsunuma-cho, Koshu City; Kitanoro in Ichinomiya-cho, Fuefuki City; and Hayabusa in Makioka-cho, Yamanashi City -- all certified under the 'GI Yamanashi' designation. The base wine is fermented in stainless steel tank and then undergoes its second fermentation in tank (Charmat/tank method) rather than in the bottle, producing fine, persistent bubbles. The result is a crisp, extra-dry rosé sparkling wine with a delicate strawberry aroma carried by the Muscat Bailey A. It is a non-vintage (N.V.) release, sold with a dedicated gift box as part of the POSH line. Unlike MGVs' still Muscat Bailey A wines -- the rosé 'B521 GI Yamanashi' (100% Muscat Bailey A, saignée, stainless-steel-only, still) and the red 'B553 GI Yamanashi' (100% Muscat Bailey A, oak-aged, still) -- B527 is a sparkling wine and the only one of the three to blend in Koshu alongside Muscat Bailey A. Within the POSH gift line it is the rosé sparkling counterpart to the Koshu-based tank-method sparkling 'K537 GI Yamanashi POSH' and the single-district, bottle-fermented 'K138 Katsunuma-cho POSH'. Bottled at 750ml, 12.5% ABV.

Sommelier's Note

MGVs' only rosé sparkling wine, and the only Muscat Bailey A bottling in the range to bring in Koshu — the strawberry lift of the Bailey A saignée juice against a bone-dry, tank-fermented finish makes it the most food-versatile toast of the whole POSH line.

New to wine?

A playful, bone-dry entry point into rosé sparkling wine — a gentle strawberry aroma up front, then a crisp, no-nonsense dry finish.

Food Pairings

MGVs suggests it as a welcome drink or toasting wine, and casually with barbecue, marinated dishes (escabeche-style), and Chinese cuisine. Its fine bubbles and bracing dry finish also work well with fried appetizers and light seafood starters.

When to drink it

Toasts and welcome drinks, barbecues and casual outdoor gatherings, or as a gift thanks to its dedicated POSH box.

Terroir & Winemaking

A blend of saignée-bled Muscat Bailey A juice and Koshu, sourced from five MGVs-managed vineyard sites across Yamanashi Prefecture (Kamiiwasaki/Hikima and Shimoiwasaki in Katsunuma-cho, Koshu City; Kitanoro in Ichinomiya-cho, Fuefuki City; Hayabusa in Makioka-cho, Yamanashi City), certified under GI Yamanashi. Base wine fermented in stainless steel tank; second fermentation carried out in tank (Charmat/tank method), not in bottle. Non-vintage (N.V.). Extra-dry. 750ml, 12.5% ABV. Sold with a dedicated POSH gift box.

About the producer

MGVs WinerySemiconductor precision meets Koshu winemaking in Katsunuma.甲州市, 山梨県 · Founded 2017Visit the producer page →

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Frequently Asked Questions

What does B527 GI Yamanashi POSH taste like?: It is a very dry (extra-dry) rosé sparkling wine with fine, persistent bubbles, a delicate strawberry aroma from the Muscat Bailey A, and a crisp, clean finish.
How is B527 different from MGVs' other Muscat Bailey A wines, B521 and B553?: B521 (rosé) and B553 (red) are both still wines made from 100% Muscat Bailey A. B527 is a sparkling wine, made by blending Muscat Bailey A saignée juice with Koshu and finishing it via tank (Charmat) second fermentation — it is the only one of the three that is sparkling and the only one blended with Koshu.
Is B527 a vintage wine?: No. It is released as a non-vintage (N.V.) blend across five MGVs vineyard sites in Yamanashi Prefecture, rather than a single-harvest bottling.
What food pairs well with B527 GI Yamanashi POSH?: MGVs recommends it as a toasting or welcome-drink wine, and with barbecue, marinated dishes, and Chinese cuisine; its crisp dry finish also suits fried appetizers and light seafood.
How is B527 made?: Muscat Bailey A juice bled off via the saignée method is blended with Koshu, fermented in stainless steel tank, and then given a second, sparkling-inducing fermentation in tank (the Charmat/tank method) rather than in the bottle.

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