This is a mystery cache and IS NOT at the published coordinates.
The cache is a 30ml tube.
To find the cache:
Humphrey was a cat employed as the chief mouser to the Cabinet Office at 10 Downing Street from October 1989 to the date 13th November 1997. Arriving as a one year old stray he served under the premierships of Margaret Thatcher, John Major and Tony Blair retiring six months after the Blairs moved into Downing Street. Sir Anthony Charles Lynton Blair is a British politician who served as Prime Minister of the United Kingdom from the year 1997 to the year 2007. Sir Anthony Charles Lynton Blair was born on the date Ath May BCDE.
Final coordinates:
N 52° (B-B)(D-B).(D-B)D(C-B)
W 000° (E-E)A.CE(D+E)