DARTFORD ROAD 1. 5005 Bexley Coal duty boundary marker (on the south side by No 1) TQ 57 SW 5/3 II 2. Erected in 1861 or soon after. Cast by Henry Grissell at the Regents canal Ironworks, Eagle Wharf Road, Hoxton. Post set up under the London Coal and Wine Duties (continuance) Act 1861. Standard "City Post". Square cast iron post, with chamfered edges, projecting cornice, and frieze bearing the arms of the City of London on one face. The stem bears a plate inscribed "ACT/24 & 25 VICT/CAP 42".