Many type foundries offer a limited-character-set trial for free. For example, you might download Septimus Trial, which includes only uppercase A-Z and basic punctuation. This is perfect for testing the font in a logo or headline before buying the full license.
There is a well-known script font typically spelled "Septimus" (created by typographer David Rakowski). Note that "Septimus" is often confused with "Septembr Script" or "September" font, so it is worth checking if that is the one you are looking for. Septimus Font Free Downloadl
While Septimus itself may not be on Google Fonts, similar open-source fonts are. You can filter by "serif" and "high contrast." However, if your heart is set on the specific Septimus design, check GitHub or Open Font Library—sometimes designers release older versions for free. Many type foundries offer a limited-character-set trial for