Below is a collection of standardized texts of Ketubot for different communities and circumstances. The Sephardic ones are from Rav Eliyahu Bar Shalom based on his acclaimed 8-volume masterpiece Mishpat HaKetubah.
One should download the Word file and make sure it is filled out by a competent rabbi before printing.
Standard Sephardic
Replacement for a Lost Ketubah – Ketubah De’irkesa
Various forms depending on if the time and value are known