Lot 138: R. Buckminster Fuller. Geodesic Tensegrity Sphere, 120 Strut, 4 Frequency Dome. c. 1980, wood dowels, plastic-coated wire. 22½ h × 22½ dia in. result: $30,000. estimate: $30,000–50,000. This work is unique. Incised signature to one strut: [R. Buckminster Fuller]. Sold with a certificate of authenticity issued by the R. Buckminster Fuller Partners Foundation. Provenance: Acquired directly from the artist by the present owner
