Sisyphean Circle XVIIIa $0.00 sold out August 2006. Pigmented slate, steel. Dimensions: 10 × 13 × 4 in (25 × 33 × 10 cm).No photo available. Sold Out Added! August 2006. Pigmented slate, steel. Dimensions: 10 × 13 × 4 in (25 × 33 × 10 cm).No photo available.