Some very special bottles of wine were uncorked in Belfast last week. Their contents have been described as some of the greatest examples of Shiraz in the world, and they’ve been categorised as ‘outstanding’ in the Langton classification of Australia’s finest wines. One bottle at the tasting in the Merchant Hotel was 34 years old, and others were from exceptional vintages of the past three decades. They’re not something you can just go into a shop and buy; most are in the hands of collectors and investors, and they’re hardly ever opened.