This site occasionally carries the original Septimus Sans. Proceed with caution (use an ad-blocker). Look for the file named Septimus_Sans.ttf.
"Explore Septimus: a modern display serif—design origins, features, best uses, and how to safely download and license the font for projects." septimus font free top download
Septimus is a decorative display typeface with sharp, modern serifs and a slightly condensed profile, designed for high-impact headings, posters, and branding. Its characterful terminals and crisp contrast give it a contemporary, editorial look while retaining a classic serif feel. This site occasionally carries the original Septimus Sans