I had a pick-up truck in my early twenties; I used the lettering stickers used for mailboxes to write “self-inflicted” across the quarter panel in his honor.
but, I was a fan before I knew who he was since I was a fan of this album as a teen:
and Guns n Roses tried to use this as their cover for Appetite for Destruction, but I think it ended up inside the booklet if at all:
but you could get it as a poster with the album’s lettering on it, I remember seeing it at the record/comics shop.