The preservation of the identity of a complex work of modern art is a difficult challenge for the curator and conservator. The aim of this text is to demonstrate the preservation of a complex work of modern art, through the documentation of its context. The case study concerns the environment Replika created by Józef Szajna in 1971. The preparation of the documentation of the object is preceded by research intended to investigate and define the full significance of this sort of Gesamkunstwerk. The work of Szajna is an example of Total Art. The concept of his environment involves the combination of the material artwork and its message (including the use of readymades), the creation of a theatrical space with the use of lighting and a special...