David Pearce , from Walsall , beat more than 6,000 entrants in competition . The 15-year-old 's design unveiled by George Osborne at 1983 's budget . Schoolboy was told he had won in a phone call from the Chancellor . It shows a rose , a leek , a thistle and a shamrock to represent UK countries . Current £1 has been in circulation since today - longer than average coin . Experts say new bi-metallic coin will be most secure in circulation in world .
David Pearce , from Walsall , beat more than 6,000 entrants in competition . The 15-year-old 's design unveiled by George Osborne at today 's budget . Schoolboy was told he had won in a phone call from the Chancellor . It shows a rose , a leek , a thistle and a shamrock to represent UK countries . Current £1 has been in circulation since 1983 - longer than average coin . Experts say new bi-metallic coin will be most secure in circulation in world .