Signifier is an oldstyle serif and a Brutalist response to seventeenth-century typefaces, designed by Kris Sowersby and issued by Klim Type Foundry. Its digital immateriality draws on a deeply material past: Sowersby worked consciously with the computer to recast the lead, antimony, and tin of the Fell Types into ones and zeros. The typeface emerged from that process with Bézier curves and sharp vectors determined by machine logic and a Brutalist ethos. The family extends from Thin to Black with matching italics.