The cache is not at the listed coordinates. It is a small home-made aluminium container.
You will need a 2p coin in order to gain access to the log (but don't worry: you get to keep your coin after logging your find!). There is no pencil in the cache, so please bring your own.
Chmmyr: Urknqrpvzny Znfx
Pnpur: Nobhg 7 srrg sebz gur tebhaq; zntargvp