Other than for educational purposes I'm not sure why further dating the pieces should matter at this point. It's not an original vintage bass. Enough has been changed out that it's essentially a Frankenbass and no longer a collectible. Almost strikes me as somebody's player who's been gradually parting it out over the years.
If it sounds and plays well, you like it, and the price is right, that should be enough reason to get it if you want it. A good sounding lightweight Fender is nothing to thumb your nose at.
But there's no way I'd consider anything other than used bass pricing for it. At this point, the fact some parts of it may date to '78 shouldn't have any bearing on its price IMO.
But that's maybe just me. YMMV.
If it sounds and plays well, you like it, and the price is right, that should be enough reason to get it if you want it. A good sounding lightweight Fender is nothing to thumb your nose at.
But there's no way I'd consider anything other than used bass pricing for it. At this point, the fact some parts of it may date to '78 shouldn't have any bearing on its price IMO.
But that's maybe just me. YMMV.