The quarter flipping animation shows it to be a 1999 Pennsylvania State Quarter series coin. (In reference to the show's home state). However, when it lands it is shown to be a pre-1999 coin with an Eagle on the reverse.
Law students can never be invited to "help" with a murder trial as depicted in the series, as the attorney-client privilege does not attach to them and everything the trial attorney (as the main character here) tells them about the commission of the crime, if any, is discoverable and they can be called as witnesses by prosecution.