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Dicker made two first-class appearances for Kent in 1840, scoring one run in the first match, batting first as a tailender, and in the middle order, while in his second match for the team, he was promoted to second in the batting order, where he scored two runs in what is, to this day, one of the lowest totals in first-class cricket for Kent.
Four years later, Dicker played one further first-class match in a Married v Single game, in which he scored four runs. Dicker died on his eightieth birthday.
- John Dicker at CricketArchive (subscription required)