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PMA Authentication - real or fake?

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Good evening, everyone.

I recently purchased a few items from a seller in Spain that came with COAs from Paul Miller Authentication (PMA) — www.pmauthentication.com. I’ve noticed this specific COA appearing quite frequently on various Spanish memorabilia sites lately.

I am attaching photos of the items below. For the Rafael Nadal piece, I’ve included a photo of the COA itself: it features a holographic sticker in the bottom right corner that matches the sticker on the item. All the codes I checked match the database on their website.

Regardless of the paperwork, I’d love to get your expert eyes on the signatures themselves. How do they look to you?

  • Green Ink: Rafael Nadal

  • Red Ink: Xavi Hernandez

I have a few others as well, but I’ll start with these. Looking forward to your feedback on whether these look authentic or if I should be concerned.

Thanks in advance!

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Replies to This Discussion

Permalink Reply by Eric Keith Longo on January 23, 2026 at 2:10pm

I've no idea as I have never heard of them but I am not thrilled by this sentence - "...At Paul Miller Authentication, we merge Paul Miller’s extensive expertise with state-of-the-art forensic analysis technologies and techniques to deliver top-tier authentication services..."

Permalink Reply by Dragos on January 23, 2026 at 2:20pm

Alright. this is in red ink , Xavi Hernandez

Permalink Reply by Eric Keith Longo on January 23, 2026 at 2:26pm

BAS:

Permalink Reply by Eric Keith Longo on January 23, 2026 at 2:14pm

Here is one from Beckett:

Permalink Reply by Eric Keith Longo on January 23, 2026 at 2:16pm

And another:

Rafael Nadal Autographed 3x5 Index Card Fanatics Holo & Beckett BAS #15867659

Permalink Reply by Eric Keith Longo on January 23, 2026 at 2:19pm

And two from PSA:

Permalink Reply by Dragos on January 23, 2026 at 2:22pm

Another one from them - Alain Prost

Permalink Reply by Dragos on January 23, 2026 at 2:24pm
Permalink Reply by Eric Keith Longo on January 23, 2026 at 2:30pm

How many known exemplars have you collected of these signers? If they are "clearly hand signed" they should not be Autopen. 

Permalink Reply by Dragos on January 23, 2026 at 2:34pm

I didn't get any autographs from them, which is why I purchased these. What I meant is that they aren't printed; they are hand-signed by the athletes—either original, a imitation, or autopen. Based on these photos, how do they look to you?

Permalink Reply by Eric Keith Longo on January 23, 2026 at 2:38pm

I meant how many examples did you collect images of before purchasing these items? Buying something w/o knowing what it should look like or cost is not advisable. I don't know these signers but I would avoid the ones I posted certified examples of after looking at your images. What have you heard about this authenticator? And the seller? 

Permalink Reply by Dragos on January 23, 2026 at 2:45pm

Regarding the seller: www.ebay.com/str/alpexmemorabiliastore. I also noticed on a Spanish website that they were being sold with this PMA COA. As for the price, they were up for auction. For instance, I’ve seen items on Catawiki with a Beckett certificate where the expert estimated the value at €100-€120 or more, yet they sold for under €10. I did some research to find the actual value, and that was indeed it—but only in the context of an auction.

The point is, does this look legitimate or not? I need to know if I should avoid this COA and, of course, this seller. Regarding my own collection: I personally have over 200 autographs from football, handball, music, and a few actors, all collected by me in person. I’ve bought very few, which is exactly why I’m asking. Thank you so much !

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