The official source for the full character set and commercial licensing. Identifont
The original creator of Septimus Bold (often attributed to indie type designer Graham Meade or a collaborative foundry named "Septimus Type Co." depending on the version) hosts a portfolio page. Most indie designers offer a "Pay what you want" or completely free personal use download. septimus bold font verified free download
But finding a legitimate, safe version of it has become a mini-drama of its own. The official source for the full character set
: A weathered, organic serif that captures a similar "hand-carved" feel, also on Google Fonts. also on Google Fonts.