Antique carved millstones or grinding wheels from grist mills where historically grain was ground into flour. These are solid stone and vary in diameter from 18-22 inches wide and vary from 3-6 inches in depth. Several available. One side is incised in a pattern and one side is plain. Perfect for decorative paving stones in garden walks and are excellent plinths for garden statuary or displaying objects in the garden. Rare finds. 18 to 22 inches wide and 3-6 inches deep.