Cube with Hidden Cubes

Overall: 12 x 12 x 4 3/4 inches (30.5 x 30.5 x 12 cm)
Five cubes: 4 inches, 3 1/16 inches, 2 1/8 inches, 1 5/16 inches, 15/32 inch
Base: 12 x 12 x 3/4 inches (30.5 x 30.5 x 1.9 cm)
Inscription on base, verso: “S. LeWitt 1968”
(Inventory #30839)