Royal Geographical Society Silver Medal, 1904, incused on the rim 'LIEUT. ERNEST SHACKLETON, R.N.R.'  Estimate: £20,000 - £40,000 ($30,480 - $60,960)

Sir Ernest Shackleton’s RGS Silver Medal for Discovery, 1904 sells for £86,500 at auction

Sir Ernest Shackleton was the most decorated of the Polar explorers of the early 20th C – despite being invalided home on his trip to the Antarctic when he was with Scott’s British Antarctic Expedition (Discovery) in 1903. He had been a member of the Furthest South Party with Scott and Wilson, reaching 82.17°S. on the…