Collecting is an obsession that goes back to the mists of history. While spare time and spare cash seem an absolute necessity for this kind of activity, every collector has his or her own approach to the formation of a collection. The way in which one’s treasures are displayed is another important instance in which one collector differs from another. Glass cases, niches, trays, cupboards, or drawers have been adopted; sometimes cards offer information on the subject, its age and provenance; an overall theme may have prompted the choice of the actual objects displayed together; security...