Dear Sir/Madam,
I am writing this letter as a personal recommendation letter for Mr John Smith.
I have known John Smith in a professional capacity, as his manager, for over 10 years and have found him to be honest, reliable, dedicated, conscientious and an excellent member of my team.
I have known John Smith in a social capacity for over 12 years and have found him to be honest, reliable, hardworking conscientious and courteous.
I trust that the information provided will be of assistance and will be happy to provide further information about John, if required, just give me a call.
Faithfully yours,
Jack Brown