Getting a copy you can actually use
The ruling itself lives in the case file at the Tribunale. What you take away is a certified copy issued by the clerk's office, stamped and signed. Give the clerk the parties' names and the case number, and say the copy is going abroad. Anyone asking how to legalize a Court Order should start at that counter, not at a state office.
Proof that the ruling is final
A reader abroad rarely wants the ruling on its own. They want to know it can no longer be appealed, which is a second sheet from the same clerk. Ask for that attestation in the same visit, because a return trip costs you days. Without it a foreign judge may hold the file while the point is checked. To legalize a Court Order in Florence you generally want both sheets joined.
The Procura sits in the same building
Rulings are judicial acts, so the stamp comes from the Procura della Repubblica, the prosecutor's office attached to the court. It is often on a corridor near the clerk who gave you the copy. The Prefettura, the state's provincial office, does not touch judicial papers; it stamps administrative ones. The embassy legalization of a Court Order in Florence therefore begins inside the courthouse.
Money and days
Court copies carry their own charge, set by the clerk's office and paid there. On the state side you need a €16 tax stamp, the marca da bollo. The mission of the receiving country then adds a fee of its own. Reckon on 10–15 business days for the run, or 3–5 on the express route. The consular legalization of a Court Order in Italy is the part you cannot hurry.
What people use a ruling for abroad
A custody ruling is shown to a school, or to a court in another country. A ruling on marriage or inheritance goes to a registry so a record can be changed. A money judgment goes to a lawyer who will try to enforce it. In each case the foreign body first asks whether the paper is genuine, and the chain of stamps answers that.
Where it goes wrong
Two things trip people up. The first is a copy without the attestation that no appeal is open, which sends the file back. The second is guessing at the route. Whether a mission's stamp is needed at all depends on the destination, so confirm it with the receiving authority first. An embassy attestation of a Court Order in Florence is pointless if that country takes a single-step certification.