Hi Steve!
I have a Black Ti Emperor Fountain Pen I write with at my desk every day. I did mine in one of Bill Baumbeck's double-dyed Boxelder burl blanks, in Teal and Violet. I think he does a double-dyed in a Red and Black that would be nice for this kit.
If not that, I would consider a nice acrylic of some kind, such as Lucite, or maybe something special from Ed's EPR or the PR Princess.
Have fun! And show pictures!
Scott.