Brazil Recalls Tens of Thousands Flawed Coins Brazil's Central Bank is recalling tens of thousands of 50 centavo (25 US cent) coins that were mistakenly embossed as 5 centavo pieces. The bank says in a Thursday statement that a production flaw at the federal mint led to the circulation of 40,000 such coins. The institution says banks will exchange the flawed coins with new ones and be reimbursed later.