Artist: Val Bertoia

estimate: $5,000–7,000

estimate: $3,000–4,000

estimate: $3,000–4,000

estimate: $3,000–4,000

estimate: $4,500–5,500

estimate: $6,000–9,000

estimate: $9,000–14,000

estimate: $3,500–4,500

estimate: $3,500–4,500

estimate: $5,500–7,500

estimate: $4,500–6,500

estimate: $3,500–4,500

estimate: $2,500–3,500

estimate: $18,000–24,000

estimate: $3,000–4,000