1 Samuel 6:18

18 And the number of the gold rats was according to the number of Philistine towns belonging to the five rulers—the fortified towns with their country villages. The large rock on which the Levites set the ark of the LORD is a witness to this day in the field of Joshua of Beth Shemesh.

Read 1 Samuel 6:18 Using Other Translations

And the golden mice, according to the number of all the cities of the Philistines belonging to the five lords, both of fenced cities, and of country villages, even unto the great stone of Abel, whereon they set down the ark of the LORD: which stone remaineth unto this day in the field of Joshua, the Bethshemite.
and the golden mice, according to the number of all the cities of the Philistines belonging to the five lords, both fortified cities and unwalled villages. The great stone beside which they set down the ark of the LORD is a witness to this day in the field of Joshua of Beth-shemesh.
The five gold rats represented the five Philistine towns and their surrounding villages, which were controlled by the five rulers. The large rock at Beth-shemesh, where they set the Ark of the LORD, still stands in the field of Joshua as a witness to what happened there.