This is a multi cache, no physical cache is placed at the coordinates listed, you need to solve the clues to find the final coordinates of the physical cache.
This route takes you round part of the Harbury WWI memorial trail, using the blue plaques of commemorating our servicemen as clues. The initial coordinates are at plaque number 1, with follow on waypoints for plaque 2 - 6.
Blue plaque 1 - Gives you A. How many L's in the full name of this serviceman
Blue plaque 2 - Gives you B. How many H's minus how many of Y's in the first name of this serviceman
Blue plaque 3 - Gives you C. How many N's minus how many O's in the full name of this serviceman
Blue plaque 4 - Gives you D. Born in 189D
Blue plaque 5 - Gives you E. How many K's minus how many G's in the full name of this serviceman
Blue plaque 6 - Gives you F. How many letters in the surname -1, then divided by 2.
The cache is located at N 52 14.ABC W 1 27.DEF