Part V. Planchet Errors:

Rolling Mill Errors:

Rolled-In Patterns and Textures

Rolled-In Coth Pattern

Definition: Coin metal strip that is rolled against cloth will end up with a checkerboard pattern on one or both surfaces.  This pattern will remain visible in the case of a weak strike or an off-center strike.  Such errors can occur by accident if a mint worker is holding up the sagging end of a length of strip with a protective cloth as the strip is guided into the rolling mill.  The cloth can get trapped between the rollers and dragged into the rolling mill.

This off-center 1965 cent features a rolled-in cloth texture on both faces.  It is possible that a piece of cloth was wrapped around the trailing end of the strip to protect the workers hands.  Photos courtesy of Heritage Auctions.

A second off-center 1965 cent shows a rolled-in cloth pattern on the reverse face.  This and the previous coin are the only known examples of rolled-in cloth patterns (a.k.a. rolled-through cloth errors).  Photos courtesy of Heritage Auctions.