This letter assumes that the reader has at least heard of you or your company. Perhaps you have already spoken to him, but you have yet to meet face-to-face.
1234, Main Street
Boston, MA 02123
08 April, 2005
<Recipient Address Goes Here>
<Description of prospect situation.> <What you are offering.>
<Benefits of your product or service.>
I wouldn't ask for time in your busy schedule if I didn't truly believe <how you can help>. I will call you <time frame of follow-up call> to set up a mutually convenient time to meet. I look forward to it!
encl: <List of enclosed items goes here>