Nice texture. It reminds me of the impression hammered into metal at the end of every episode of "Dragnet," accompanied by the voice-over that was something like "This is a Mark Seven Production."
Jeeze, I thought NA stood for Non Alcoholic! :-) To answer your question, I have noooo idea, I would have to put some serious thought into that one, and honestly, my head is mush right now with the holidaze going on.