Shropshire 9, Coalbrook Dale (Dalton & Hamer, page 224)

9. O: View of a bridge with a vessel sailing under the bridge, and the following 
      legend above it in three lines: ERECTED | ANNO 1779. | SPAN 100 FEET. With
      an inner circle. IRON BRIDGE AT COALBROOK DALE 1792. The 1's slope to the
      right. (Same for Nos. 9-13).
   R: A man working a machine. INCLINED PLANE | AT KETLEY | 1789. In three lines
      under. The top of I in date slopes to right, the 9 under centre of L.
      (Same as No. 3).

No. 9, common.

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