Shel, Cocobolo runs from the brownish-red to the purple range, where Bocote is more green/gold, to brown.

I have been collecting these hardwoods for years, and there is actually quite a difference between the two.

I'm sticking with Dan's knife as being Bocote.

Here's a link from the same site: http://hobbithouseinc.com/personal/woodpics/cocobolo.htm

Dubie Baxter