You might want to try and contact the owner Wayne D. directly through this website, or call Pelican and let know your story.
Have you seen all of the 917 posters you can purchase?
http://www.pelicanparts.com/catalog/ShopCart/STUF/POR_STUF_POSTAB-detail.htm
This one is cool:
http://www.pelicanparts.com/catalog/images/drivewerks/posters/9134.jpg
It's only 30" x 21" is that large enough for you?