Correctomundo!
Well, that presents a more interesting twist to your history. According to the numbers I could find in a quick search, there were only three 2 band models made. "Stingray 4 2 band - 3"
[Invalid or Expired Link Removed]
And, of those three I would have to think that not many were fretless with the MPH. Could very well be the only one of its kind!
And, scroll down this page and see if that might be yours in post 461
[Invalid or Expired Link Removed]
The backstory on these is fun. Congrats on a beauty at a steal of a price.
