A Village Sign cache.
This cache is not at the listed coordinates. In order to find this cache, you will need to collect the numbers hidden in caches listed below. They should all be easy enough to locate!
Having found the clues for A to H in the logbooks for the following caches, use the formula below to find the cache.
VS#861 Great Baddow
VS#866 Little Waltham
VS#867 Little Baddow
You will also need to work out J and K.
On the plaque at the base of the city sign at the published coordinates, there is an inscription. Use this inscription to work out:
J = The number of letters in the two lines at the bottom right of the plaque.
K = The number of letters in the 3rd line.
The cache can be found at: N 51 43.(FxE)+A+D-J E 000 28.(GxC)-H-B-K.