http://www.sorocabana.net/archives/2005/12/370hssv_0773h.html
... ...
Bush opened the letter and it appeared to contain a real strange, perhaps coded message:
370HSSV 0773H
Bush was baffled, so he emailed it to Condi Rice. Condi and her aides had no clue either, so they sent it to the FBI. No one could solve it so it went to the CIA, then to NASA. With no clue as to its meaning, they eventually asked Britain's MI-6 for help. MI-6 cabled the White House: "Tell the President he's holding the message upside down.
