I know nothing about Grecos, though I've heard good things. But a MIJ P bass that likely rivals what Fender was making at the time for a fraction of the price appeals to me:
https://reverb.com/item/65065264-greco- ... ge-natural
Here's a brief demo of the same company selling a 1977 lefty of the same model, though I think this isn't the same bass, given the wood grain shown in the video:
https://www.youtube.com/watch?v=IQpB-71tWUA
And here's a better demo of a righty:
https://www.youtube.com/watch?v=o02LzUc8d8U