Add Yahoo as a preferred source to see more of our stories on Google. Kerry Kraker has worked in kitchens all his life. Since March he's spent around $100 a week – half his spare cash – on silver ...

Kerry Kraker, 56, has worked in kitchens all his life. Since March he's spent around $100 a week - half his spare cash – on silver coins. He's part of a growing social media movement who say they are ...