The description for this series of caches can be found on the first cache's description at https://coord.info/GCB34EQ .
Like all the other caches in the series this is a letterbox hybrid and contains a stamp. PLEASE DO NOT REMOVE IT FROM THE CACHE.
And so for this cache…
You will (hopefully) find it 788.376 metres from the given co ordinates
On a bearing of 156.867 degrees.
To help you out, I've given you the least significant digits
N XX° XX.XX6' E XXX° XX.XX0'
The landowner (Forestry Commission East England) does not assess the suitability or safety of the cache location. The cache placer and the cache finder have a responsibility to take reasonable precautions to protect their own safety and the safety of others. Hazards observed at or on route to the cache location should be reported to the cache owner. The Cache has been placed in accordance with the Forestry Commission East England agreement