I'm sorry for posting in an old topic, but it's related...
Stkp, is there a way I could find your article you're referring to? Is it published? If you feel uncomfortable sharing this information publicly, I will gladly contact you via PM.
Edward D, I've got dozens of these various "hybrid
" examples in the hoard
I'm researching, it's interesting to see there are more of these than one would expect to find.