Leaving aside the clips showing him playing semi naked in his boudiour, would it still sound as carp without the delay effect which seems to overwhelm every example?
BTW, I'm Out....
Look on Vintage Guitar Shop stock lists, but you will see the retail value. The one below says 'sold out' but if you go on the 'finance options' you can see it was up for £4850 which seems cheap?
https://www.andybaxterbass.com/collections/fender-precision-bass/products/1968-fender-precision-bass-sunburst
He's twigged that sometimes if you sell something too cheap people think it is cheap so if you put £200 markup on a bass you bought for £25 and charge £18.50 for something that costs £8.00 it garners a sense of prestige. I call it the Harrods effect....!
So what are Fender, especially USA ones, worth?
I assume this is a rehtorical question as you seem to have answered it in your post! An alternative answer may be 'what the market will baerr'? ( delibearate missssspelling)😉