Stabile “Interferenz” by Arnulf Hoffmann, Germany. Stamped with “AH 78” and number “33/100”. 110 cm wide x 50 cm high. Very good condition.

Stabile “O 28” by Arnulf Hoffmann, Germany 1973. Stamped with “AH” and number “12/50”. 41 cm high x 31 cm wide x 8 cm deep. Very good condition.