Wis. Stat. § 753.05: Seals.

The circuit courts in the several counties shall have seals, and they may direct and from time to time alter the inscriptions and devices thereon; and the respective county boards shall furnish such seals as shall be ordered; and when any such court shall be unprovided with a seal the judge may authorize the use of any temporary seal or of any device by way of seal until a seal shall be so provided. The seals now in use by said courts shall continue to be the seals thereof until others shall be provided according to law.