Another that I would recommend trying via venue during their upcoming tour.

You're best possibility would be to try via venue to one of their concerts.
That said, I tried last year and received nothing. Not even a RTS.

Sent: LOR, bookplate and SASE on 3/13/18 Received: Boolplate, 5 additional bookplates supplied by author, and signed note on 4/4/18 Address used: Michael Moorcock Po box 1230 Bastrop, Texas 78602 https://scontent-dfw5-1.xx.fbcdn.net/v/t31.0-8/29749358_1897387436940864_6062048616537806671_o.jpg?_nc_c...

Sent: LOR, 2 photos and SASE on 9/18/17 Received: Both photos signed, one signed in black, the other in black and silver on 3/19/18 Address used was private residence and will not be shared per Admin's request. https://scontent-dfw5-1.xx.fbcdn.net/v/t1.0-9/29597868_1890454440967497_59107478343294104...

Sent: LOR, 2 blank labels (bookplates) and SASE on 3/9/18 Received: 2 labels (bookplates) inscribed and signed on 3/19/18 Address used: Private address, residence https://scontent-dfw5-1.xx.fbcdn.net/v/t1.0-9/29258605_1878612922151649_328213906042388480_o.jpg?oh=645baf906a3e69f341d9a22682093ac5&...

I tried her home address without success.

Wanda Jackson performed in Oklahoma City last night. She signed a venue poster and her copy of the evening's setlist for me following the show. https://scontent-dfw5-1.xx.fbcdn.net/v/t1.0-9/28059383_1842286645784277_6132963752160213715_n.jpg?oh=49adffbbf58ea8922a86e996e0b05274&oe=5B0E5913 https:...

Sent: LOR, photo and SASE on 2/6/18 for 2/10/18 performance Received: Photo signed on 2/14/18 Address used: Anthrax (No Longer Valid) c/o Criterion 500 E. Sheridan Ave. Oklahoma City, OK 73104 https://scontent-dfw5-1.xx.fbcdn.net/v/t1.0-9/27971875_1838256079520667_3147891610226744765_n.jpg?oh=45ec90...

Sent: LOR, label for a bookplate and a SASE on 1/12/2018 Received: Bookplate personalized, inscribed and signed as well as a signed notecard on 2/13/18 Address used: Yann Martel 138 Sussex Mews Toronto, On M5S2KI Canada http://surfmypictures.com/image/c498606e33f4e27c/nyk8j.html http://surfmypicture...

Letter, SASE, 2 Photos and came back RTS. Anybody have a current address? I don't upload scans for RTS Was sent to: McKayla Maroney All Olympia Gymnastics Center 12500 Beatrice Street Los Angeles, CA 90066 USA I mailed her via a private address last year and have never received anything back. Don't...