Shop Original Fine Art – Regional & International Artists | MARA › Spiral Study Image 1 of 1 Spiral Study $450.00 1 available Bruce RobertsonSpiral Study, 2024Stone6 × 4 inches Get notified by email as soon as this art piece is available. Sign up to receive news and updates. Purchase Added! Bruce RobertsonSpiral Study, 2024Stone6 × 4 inches Shipping Invoiced Separately You Might Also Like... Gift Certificate from $50.00