In 1979, Castletown won the Tinker Cup, when in Forrester Division 2.

The story is that Castletown did not loose a match all season, but due to a communication error about a re-arranged match they were docked 5 points and not promoted to Forrester Division 1.

No side playing in Forrester Division 2 had won the Tinker Cup before, nor has any side since.

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