A Companion to Seals in the Middle Ages is a cross-disciplinary collection of fourteen essays on medieval sigillography. It is organized thematically, and it emphasizes important, often cutting-edge, methodologies for the study of medieval seals and sealing cultures. As the chronological, temporal and geographic scope of the essays in the volume suggests, the study of the medieval seal—its manufacture, materiality, usage, iconography, inscription, and preservation—is a rich endeavour that demands collaboration across disciplines as well as between scholars working on material from...