David Berkowitz aka The Son Of Sam .44 caliber serial killer who from 1976 through the summer of 1977 terrorized New York City killing six people and wounding seven others before his capture in July 1977.

8 1/2" x 11" one page typed letter dated January 28, 1980 addressed to the forum at Playboy magazine with some really insightful and interesting content. Hand signed at the close, David Berkowitz.
The letter has been notarized and hand signed by the notary, William L. Reed.
Includes a cut return address portion of what appears to be a subscription label addressed to Berkowitz on which he has written, "Attica State Prison" and stapled to the far right side of the letter.

David Berkowitz Signed and Notarized 1980 Playboy Forum Letter and Return Addres