Shropshire 1792 Inclined Plane at Ketley Copper Token a copper ½d token. Obverse; The machinery at the Inclined Plane at Ketley. Reverse; View of the Iron Bridge at Coalbrookdale. Inscribed with ‘Coalbrookdale and Ketley payable’ to the rim, size 30mm. Note: One of the first Canal Incline Planes