Michael Michaels' button logo is excellent, but there's no vector form provided.
I drafted a rough approximation in Inkscape.

(//%3C/s%3E%3CURL%20url=%22http://www.yellosoft.us/public/images/newlisp.png%22%3Ehttp://www.yellosoft.us/public/images/newlisp.png%3C/URL%3E%3Ce%3E)
SVG (//http) PNG (//http)
Thanx on constructive first post and welcome.