Yes, it does exist. Authored by Eugeniusz Get-Stankiewicz Property of the National Museum in Wroclaw. What does 1+1=2 mean? For some it is the metaphor of obviousness of the base reality. To others, it brings the most metaphysical shivers of the strangeness of existence. Yet others are troubled by this reminder, as the current state of the table demonstrates. Welcome to these pages devoted to the Plaque and its message. Your comments are most welcome.