Shropshire 13, Coalbrook Dale (Dalton & Hamer, page 224)

Denomination: halfpenny, scarcity: Very rare (RR)
13. 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. With a period after KETLEY and after date.

No. 13, RR.

Keywords

iron bridge at coalbrook dale,1792,erected anno 1779,span 100 feet,inclined plane at ketley 1789