Takako Saito.
Blaues Regenbogen
Wein Schachspiel.
Köln, Edition Hundertmark, 1983.
Slipcase with machine-folded posters.
5 3/4" x 8 3/8".
Edition of 500.
2 folded posters, each having a chess board design
and game instructions in German.
Each game measures 23" x 23"
and they are folded and inserted into a portfolio.