Llanelli shirt on ebay

I was curious if anybody has a view on this jersey that's currently on ebay: https://www.ebay.co.uk/itm/374223901648

It's listed as "70s/80s", when obviously it should be late 80s with the 3-stripe design...but what interested me is that it literally says "Adidas" on the right breast, instead of having that old Adidas logo that was generally used on our shirt at that time. I've done a lot of searching on Google, and I can't find any evidence of us wearing a shirt in that era that had the Adidas branding like this.

There's also another image on the ebay page, which shows that the tag has the slightly newer Adidas logo (the 3-stripe mountain) that was only released in 1991. But by 1991, hadn't we switched to the "double LL" shirt that was made by Umbro?

I'm really confused what this actually is! Did Adidas make some kind of heritage Llanelli shirt in the 90s, after they'd lost our kit contract, that was meant to look like the late 80s shirt?