Liberty has confirmed rumours it is talking to potential buyers after receiving approaches to take over the 134-year-old luxury department store group."At this stage, it is too early for the board to determine whether or not these discussions will result in any formal offer being made for the company," it said Friday.For the last six months, bosses have been seeking investors who could bring capital and expertise to help develop and grow the business both within the UK and internationally. Earlier this month the company confirmed plans for the sale and leaseback of its mock-Tudor flagship store on Great Marlborough Street in London's West End, which could bring in £40m.An upbeat trading statement in January revealed overall revenue grew by 20% in 2009 and by 16% at the flagship store. All divisions increased revenue.