Please be careful to replace the clip-top lid securely on the box. As you will see, the integrity of the cache is dependent on the clip-top lid being secure.
To find the co-ordinates, check the following:
The Post Box No = SL4 ab
The number for the Phone Box = (01753) cdefgh
The final co-ordinates are Nab ec.d(b+g)(d+e) W000 f(g-b).(h-c)(d+e)(e+f)
The Fine Pair series was originally started by wizardsmum.
If anybody would like to place 'A Fine Pair' of their own please do, I would just ask that you let mattd2k at email@example.com know first so he can keep track of the numbers and names to avoid duplication.
He also keeps a public Bookmark List of this series so once your cache is published please contact him via his profile page to have yours added.