Hello, I am new to this and I am having a hard time finding out whether a COA issuing company is really legit or not. I tried googling but information about the most reliable companies is mostly from the USA, however, I am from Europe - as such, items certified by Beckett or similar are scarce. I have found, however these three options:

https://superstarsandlegends.online/products/lionel-messi-autograph...

https://www.ebay.com/itm/275222397633?_trkparms=amclksrc%3DITM%26ai...

https://www.ebay.com/itm/352311760650?_trkparms=amclksrc%3DITM%26ai...

Does anyone have a clue if any of these could be real? Thank you :)