Bamber Gascoigne. Thames & Hudson, 1986; 2014 reprint. Archival professionals juggle many roles in the course of their work. One of the most exciting but sometimes puzzling is that of the detective. If we are lucky, we have collected accurate “evidence” from either inspecting archival materials, conducting research, and/or discussing the objects with the donor or experts to classify the asset swiftly and accurately. If we follow the wrong clues and misidentify an archival mat