It was an English limited overs county cricket tournament which was held between 1 and 15 September 1991.
The tournament was won by Worcestershire who defeated Lancashire by 7 runs in the final at Old Trafford, Manchester.
The counties finishing in the top four of the 1991 Refuge Assurance League competed in the semi-finals.
Winners from the semi-finals then went on to the final at Old Trafford, Manchester, which was held on 15 September 1991.
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