Alcoa 1988 metal matrix composite chess set after Josef Hartwig on the inscribed aluminum board, Centennial Technical Symposia 1986–1988, Alcoa logo on the pawns Title

Promotional photograph of the Alcoa Laboratories Centennial Technical Symposia (1986–1988) chess set. Geometric pieces follow Josef Hartwig’s 1924 Bauhaus design and are cast in Alcoa metal-matrix composite; dark pawns show the Alcoa mark. The board edge is inscribed Centennial Technical Symposia 1986–1988. Use as supporting gallery art; pair with current studio photos of the actual set, case, and inscription.