Abstract
Clay sealings (or cretulae) will be put into the context of its history, function(s) and archaeological research. Author presents the development that was acheived in recent decades in the approach to clay sealings as a kind of archaeological evidence and as an autonomous subject of study.
Some intricacies implied in the production of facts presented in specialists' reports will be elucidated. The focus of the article (and of the presentation of the methodology's development) is specifically the study of the sealing material from the Egyptian Old Kingdom.