Old Yorkstone (york stone)paving flag used for a garden path or patio. Architectural stone supplies specialize in new and old yorkstone york stone.architectural stone supplies can distribute yorkstone flags throughout the UK, and supply yorkstone paving stone flags in any size or thickness. We can deliver any amount and can sand blast the yorkstone paving stone on request. Please feel free to contact us on any of our yorkstone paving stone and york stone flags and we will gladly get back to you.