I received a signed photo from him using that address late 2003. I wrote to him in March 2003, and sent a letter, photo, return envelope and $5 to cover return postage (that was before I started using IRCs). He signed and personalized the photo for me, and returned it in the envelope I provided, and also returned the letter, which I thought was a bit strange, but at least he signed the pic. Here's a picture:
