Staffordshire 8, Tamworth (Dalton & Hamer, page 241)

8. O: View of a castle. Trial of unfinished obverse die of No. 9. Still further
      advanced state of die.
   R: View of a building. Reverse die of No. 9 without lettering.
   E: Plain.

This was struck in tin.

No. 8, RRR.

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