Thanks to Kendall Whitehouse for letting me know he is the owner of that Marvel letter autographed by Lee and Kirby.
http://kirbymuseum.org/blogs/dynamics/2012/06/16/marvel-letter/
Here are some links to Kendall’s online material. Hopefully he’ll give us the background story on that piece on day.
http://www.kendallwhitehouse.com
http://twitter.com/kwhitehouse