President Bush reversed his own pardon of Isaac Robert Toussie. Ulysses Grant revoked two pardons that were given out by President Andrew Johnson. Litigation follows when that happens, but there is precedent.
In the case of Toussie the pardon was revoked the day after it was issued. Since the pardon never was received, the Jusice Department argued that that it wasn’t ever in effect. I’m curious, do you know how the courts treated U.S. Grant’s revocation of Johnson’s pardons? Imagine if Carter had revoked Ford’s pardon of Nixon or more interestingly if Reagan had revoked Carter’s pardon of the draft dodgers.
It would seem that reversing a pardon could be seen in some cases as a form of double jeopardy.