This is a casino chip from the Hard Rock Hotel and Casino in Las Vegas that celebrates Ozzy Osbourne March 14, 2003.
John Michael "Ozzy" Osbourne is an English singer, songwriter, and television personality. He rose to prominence during the 1970s as the lead vocalist of the heavy metal band Black Sabbath, during which period he adopted the nickname "Prince of Darkness".
On one of chip is a photo of Ozzy perhaps portrait style, reverse shows a photo of Ozzy, his name in a gothic like green letters and Live at the Joint with date.