I did my research and then took the risk and bought this bass. It turns out to be exactly what I thought, a very early Mark Johnson! I spoke with Mark today and he is going to go through his archives and find his original records on it. It is one of the best playing basses I have ever played. The original Alembic pickups were obviously changed but were included with the bass. It actually sounds great as it is but I'm sure wit will sound better with the original pickups re-installed. Just amazing craftsmanship all around on this one. The ebay photos don't do it justice at all. Mark told me that the peghead logo is actually a winged Pete Townshend! I can't believe the deal I got on this amazing bass.