Why old Chinese tea can be worth more than wine or whisky: aged Puer leaves are the latest smart drinks investment – one 70-year-old cake just sold for more than US$70,000

• Following the success of Sotheby’s Hong Kong’s sale of an antique 1950 Blue Label tea cake for US$71,600, experts are tipping Chinese black tea as a smart investment
• Deteriorating growing environments, market speculation and a rekindled love for traditional tea in China is fuelling a Puer craze that rivals the traditional vintage wine market