This was possibly one of the shortest waits I've ever had for a response, only eleven days!Sent: 5/15/17
Received: 5/26/17
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I sent a photo, a letter of request, and a self-addressed envelope to a private address that I received from another fan. The address that I sent to is not in the database and I don't want to share it because I believe that it's her private residence and I don't want it spammed, but I wanted to post my success to keep record of it and to encourage fans of Jane to look for the address if they wish to write to her. I found the address pretty quickly, so I don't doubt that you'll be able to find it too.
Thank you, Fanmail!