An area of Argentina bigger than the US state of Rhode Island, or the UK county of Kent, has been put up for sale in what is billed as the potentially the largest freehold block of land ever to hit the open market. An unnamed “Group”, which has owned the Estancia Punta del Agua in north-west Argentina since the 1980s, has put the 989,000-acre (375,640 ha more or less) site up for sale in what is billed as offering the potential for “added value way beyond the cost of the scheme”. Whilst…