2012 The Road to London Stamp-Coin Set. The Games of the XXX Olympiad were held in London 2012. London has become the first city to officially host the modern Olympic Games three times, having previously done so in 1908 and 1948. The stamp-coin set features the 2012 Australia Post 'The Road to London' 60c commemorative stamp, designed by Jonathan Chong. In addition the set includes an extremely limited stamp shaped coin, struck from 1/2 oz of Fine Silver in proof quality by The Perth Mint. Certificate of Authenticity included with the set numbered 1477. Mintage 8000. Diameter of coin 26.60 x 37.60 mm. Please contact Adelaide Exchange Jewellers to find out more on this item.