Definition

• Interrupted Reeding.  Struck from a collar with one or more smooth areas on the inner wall of the collar alternating with the reeding. This is in contrast to a piece which is fully reeded, or completely smooth forming a PLANE EDGE.. When only one smooth area is formed, this is generally at the bottom or top edge so edge marking can be placed there at some later time.  See edge lettering and numbering.
  In 1965 the Franklin Mint developed a method of interrupted reeding that provided gambling tokens of similar diameter with edge distinctions to identify different casino's tokens by the edges when stacked in columns or laid out in rows. Pairs of blank and reeded areas, plus different width of reeds give this distinction. A separate collar with unique blank and reeded areas provided this when pieces were struck in this collar. It was granted patent number 3350802 in 1967 for this type of reeded.  See reeded edge.

  excerpted with permission from

  An Encyclopedia of Coin and Medal Technology

  For Artists, Makers, Collectors and Curators

  COMPILED AND WRITTEN BY D. WAYNE JOHNSON

  Roger W. Burdette, Editor

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