This letter should be sent when you are enclosing materials with your resume, such as portfolio samples.
1234, Main Street
Boston, MA 02123
04 April, 2005
<Recipient Address Goes Here>
I am responding to your <notice you're responding to> and applying for the position of <position>. Enclosed find my resume, which will detail my basic qualifications for this position.
As requested, I have also enclosed the following materials:
If you would like more information, or would like to set up an interview, please contact me at <phone number>. I look forward to hearing from you.
Thank you for your time.
encl: <List of enclosed items goes here>