By Costas Pitas LONDON (Reuters) – The British rock band Black Sabbath's album "13!" has given them a first British Number One album in nearly 43 years, a record interval between chart-toppers, the Official Charts Company said on Sunday. Black Sabbath were last at the top of the UK chart with their second album, "Paranoid". "I'm in shock!" Black Sabbath front man Ozzy Osbourne told the Official Charts Company. "The success of this album has blown me off my feet. We've never had a record climb the charts so fast. …