The best and the worst

Better

To avoid

Clos des Goisses (Philipponnat)
Clos du Mesnil (Krug)
Billecart Salmon
Bollinger
Boulard
Deutz Gosset

Gratien
Jacqueson
Krug
Laurent Perrier
Louis Roederer
Pol Roger
Taittinger

To never buy in hypermarket
without a bottle protection against the light