Vintage Danish Rosewood Soma Puzzle / Cube

Piet Hein.  Mathemetician, poet and freedom fighter during WWII designed the Soma cube in 1933 during a lecture on quantum mechanics conducted by Werner Heisenberg.  There are 240 distinct solutions.  This beautiful example was made from solid rosewood cubes in Denmark.  Original aluminum base.  Very good vintage condition.

◦3" x 3" x 3" without base
◦ Original vintage example

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