**Hijacked**
https://www.ebay.com/itm/Akro-Agate-Blue-Base-Oxblood-Swirl-Marble-Size-5-8-Near-Mint-/352202515765?nma=true&si=ET1jkNq07cQq12drv5Cf3PsA8%2BM%3D&orig_cvip=true&rt=nc&_trksid=p2047675.l2557
What are the features of a Road and Tunnel?
ie, long single seam, huge loops off the seam, flow towards the loops, little loop action some where else...?
Anyway, I think I have a few of these type's. The above auction I think was a Persian Oxblood R&T....