Largest bar of gold
Who
Kazuhiko Tamura
Where
Japan (Tokyo)
When

The largest manufactured pure gold bar weighs 250 kg (551 lb 2 oz) and was made by the Mitsubishi Materials Corporation on 11 June 2005 at the Naoshima Smelter & Refinery, Kagawa Prefecture, Japan. FYI - unrelated article from The Guardian (9 Dec 2005) attached with interesting facts about gold.