Well now that is unique!  But you have numerous projects of things quite unique.  It's certainly well made, looks like a really cool conversation piece for sure.  The inlayed nickel is a neat feature, but the rest is an amazingly interesting work.  You could put it in a "whats this" contest.

TimV, "The understanding eye sees the maker's fingerprints, they are evident in every detail, leave Fingerprints." James Krenov