a cassone that has been provided with a high panelled back and sometimes a footrest, for both hieratic and practical reasons, becomes a "cassapanca" ("chest-bench"). "cassapanche" were immovably fixed in the main public room of a palazzo, the "sala" or "salone." they were part of the "immobili" ("unmoveables"), perhaps even more than the removable glazed window casements, and might be left in place, even if the palazzo passed to another family.