"Iron sheet, possibly some of the armour plating once attached to the coastguard station" at Coastguard watch house (81584)

A photo of The material in which the feature is located e.g. sand, silt, mud.

By LBand

Thin (c 2mm) sheet of iron with rivet holes along the edges. This is the right size, with the right spacing of rivet holes to be the armour plating recorded as being attached to the coastguard station. A few other pieces were noted in the area, just visible under the layer of shingle.