Alcoa 1988 symposium board inscription and logo

Alcoa chessboard edge inscribed Centennial Technical Symposia 1986–1988 and opposite edge with Alcoa logo

Detail of the original Alcoa symposium chessboard. One edge reads Centennial Technical Symposia 1986–1988; the opposite edge carries the Alcoa logo on signature aluminum sheet inside the clear polymer surround. Documents the non-commercial conference gift.

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