Delker prewar O gauge helix track layout. These were used as store displays back in the late 1920's. It measures 48 inches in diameter and 20 inches tall. It is in very good condition with a couple broken posts but would bake a fantastic centerpiece of a prewar layout. It has ribbon track similar to Carlisle and Finch or Voltamp that was laid into cur wooden ties. Sold as-is as seen in the photos with no returns. This item cannot be shipped but we do offer free pickup and could hold it for a while until you could get here OR we possibly make a trip into your general are where you would hae to meet us along a major interstate.