As I was cleaning it up I expected to find a B or BR stamp, which I didn't, but instead once inside the drum I found a 109 stamped upside down on the shell. It took me a minute to realize it was 109 and not 601, LOL.
I have been playing this snare non-stop since it's acquisition and it's like a little Supra on steroids! I was actually surprised after listening to sound files of 14" x 6.5" hh bronze Supra. When the 6.5 is cranked up it doesn't sound that different. It has more bottom end and probably more volume, but I recognized the same timbre. Of course, now I want one too, but then I throw the Dyna back on it's stand to remind myself how lucky I am. I'm not married/in a couple so I have to nag myself back to "reasonable"...