While some people go for t-shirts bearing his face or his books others are collecting the Nelson Mandela Medallions. The South African Gold Coin Exchange says the Mandela Medallion are still very popular among collectors due to the former the former president's global iconic status. As part of the Mandela centenary birthday celebrations - the SA Gold Coin Exchange is distributing silver and gold coins of the late statesman with a new artistic design of Madiba on one side. SA Gold Coin Exchange CEO Alan Demby, says the value of rare coins appreciates over time as they have low mintage. The SABC's Pearl Magubane spoke to Demby before heading to the Nelson Mandela Square in Sandton north of Johannesburg and interacted with tourists and and the general public on what Mandela means to them. She compiled this soundscape...