Artist & Designer: Sol LeWitt

estimate: $7,000–9,000

estimate: $2,000–2,500

estimate: $3,000–5,000

estimate: $1,200–1,800

estimate: $700–900

estimate: $1,500–2,500

estimate: $1,200–1,800

estimate: $2,000–4,000

estimate: $2,000–3,000

estimate: $2,000–3,000