1 Samuel 6:4

Then they said, “What should the trespass offering be which we shall return to him?” They said, “Five golden tumors and five golden mice, for the number of the lords of the Philistines; for one plague was on you all, and on your lords.

Then said they, What shall be the trespass offering which we shall return to him? They answered, Five golden emerods, and five golden mice, according to the number of the lords of the Philistines: for one plague was on you all, and on your lords.