Looks like a MIM P deluxe with a fake sticker (or different neck as the sticker looks pretty real) or plain ol P with an added J. There are many, including probably yourself, that know much more than me about these things. Plugged in for curiosity.
It says replica so it must be a parts bass take the neck off and check for any info?
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If the last link is correct, it means that its a made in Poland bass. The auction says that it was made in usa tugh, but I think he wrote it to make it more expensive.
Does the tuners has presto mark ? If yes this is the same bass. And that means you play a MIP bass which i lofve ypieeeeee !
The owner said that he changed the pots to the Polish ones (prolly a telpod ones). Two knobs came from Defil, and the pickups are probably presto too. Dont see a zero fret, so i think the neck is not a defil one. As said may be a parts bass, but I think made mostly in poland