Which is why I avoided the nickname all together and used the model numbers. Though they have had different model numbers over the years, 4214 custom brass snare drum in the earlier 70's then the B4514 from around the '75 catalogue onwards, these sport exactly the same 3 lined COB shells as the Jupiter. So yes & no. There is effectively no non-parallel version that is LITERALLY called a Jupiter, but yes the same snare with a gladstone style strainer instead of a parallel action strainer does exist. It just doesn't sport the name of a planet. & interestingly by the 1980 snare catalogue (the very catalogue in which the OP