A mere six Balthazars, meaning 12-litre bottle, of the exclusive tipple have been produced, with only three of those set to go on sale. Expensive: The limited edition Chateau Margaux is the most expensive bottle ever to be sold. The 12-litre bottle comes in its own ornate oak case and is engraved in gold. Estate: The vineyard in the Midoc region of France produces the extravagant wine.