Widow with question: Rega TT-PSU or Rega Neo TT-PSU?

I hope I’m posting this in the right forum!

My hubby died in January 2020 and had an EXTENSIVE amount of stereo equipment. I’m finally at the tail end of selling it all and have run into some questions that I’m hoping someone here can help me with.

I have two Rega TT-PSU components. One is in the box and is clearly marked Rega TT-PSU 2. However, the other one doesn’t have the original box and as far as I can tell it’s a Rega TT-PSU. HOWEVER, as I’ve been trying to research pricing I’ve noticed people selling Rega Neo TT-PSU components. I’ve looked at online photos of both and I don’t see a difference. Is there one? And if so, how do I know what I have so I can price it accordingly? (My hubby did have two Planar turntables, but I’ve sold them.)

And which model is newer? The TT PSU-2 or the one in the photos, to which I've posted a link?

Here is a link to my photos of the Rega TT-PSU in question: