Part of the Immortel superfamily, part of a research project developed at l’Atelier National de Recherche Typographique (ANRT). A rough early version was used in the third issue of Sottises, April 2017. Immortel Infra has two weights (grades), each with three styles: roman and two italics. Work in progress. To be released in 2020. [Le Tulle-Neyret]