Category IV:
Die Errors:

1) Clashed Dies:

----Chatter clash

----Rotated clash

----Double clash with counterclash (Type 1)

----Misaligned die clashes

A) Horizontally misaligned die clash

B) Vertically misaligned (tilted) die clash

C) Pivoted die clash

2) Mule clash

3) Collar Clash:

----Reeded edge

4) Die damage with design transfer

---A) Floating die clash

---B) Counterclash Type 2

---C) Miscellaneous and unexplained types


Category IV: Die Errors: 3) Collar Clash: Reeded Edge

Collar Clash

1997P Roosevelt dime:

On occasion the collar too can clash a die (usually the hammer die) and leave an impression of the collar's edge. Typically only reeded edge Collar Clashes are identified and collected. Below illustrated is a Collar Clash from K8 to K11.


Images and text © Jason Cuvelier 2008-10