Epstein was ecstatic, and ran to the Post Office to send two telegrams to announce the news: one to the band who were playing in Hamburg at the time, and the other — seen below — to friend of The Beatles and editor of Mersey Beat, Bill Harry.
The rest is history.
Transcript follows. Image courtesy of Wikipedia.

Image: Wikipedia
Transcript
POST OFFICE
TELEGRAM
MERSEY BEAT ROYAL 0003 LIVERPOOL=
HAVE SECURED CONTRACT FOR BEATLES TO RECORDED FOR EMI ON PARLAPHONE LABEL 1ST RECORDING DATE SET FOR JUNE 6TH= BRIAN EPSTEIN +