A die clash fault happens when the coin dies come together in the coining press without a planchet between them. This can cause an imprint of each die to be left on the opposing die face

5 Cent

1995 Queens Face Die Clash

1999 Queens Face Die Clash

The Die Clash on the 1999 5 cent looks different to the later years as multiple die pairings were not aligned correctly so has a slight rotation.  More examples could exist with different rotations

2001 Queens Face Die Clash

2003 Queens Face Die Clash

2004 Queens Face Die Clash ” Manhattan Die Clash “