During the shop's Fine Wine Weekend it sold bottles of Château Mouton-Rothschild 1986 reduced from £851.45 to £425 and Vega Sicilia Unico 1995, down from £240 to £145.
Bestseller of the weekend was Berry's own-label United Kingdom Cuvée Champagne, reduced by 25% to £15.90
The factory outlet's turnover is 19% up on this time last year and it is selling 30% more cases.
Wine director Alun Griffiths MW said: "This is tremendously positive and is a great illustration of how we are combating the recession through aggressive retailing with special offers, even of very expensive wines as in this Fine Wine Weekend, working well to attract customers."
Berry's shop in St James's Street, London, is also seeing an increase in orders and case volumes compared to the same period last year.