Question about certificate of authenticity

Hey guys, I am hoping somebody can help me out. I have an autographed poster, and I’m looking to add signatures to it in the near future. What I wanted to do before I do this is get the signature that is already on it authenticated to assure it is real before I start investing in adding more signatures. I don’t want to have a fake signature with my authentic ones obviously. My concern was how do I go about getting this authenticated, and then adding more when JSA/PSA/BAS will put the sticker on and assign it a database number? Do they add names to the same number and keep the sticker on, or is there no way around this? Thank you .

Tags: Avengers, BAS, JSA, PSA

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Permalink Reply by Joe W. on May 22, 2018 at 7:04am

I believe you can request having the sticker placed on the back of the poster. I have also seen where the sticker is still on the actual COA itself, I assume so the owner can put the sticker wherever they desire(not sure tho).

I believe that if you add more signatures in the future to your poster. It would have to be resubmitted and, there again I assume, a new number will be issued for the item.

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Permalink Reply by Joe W. on May 22, 2018 at 7:30am

If you are just checking to see if it's authentic, why not post it here and get members opinions without the expense of a full authentication? Then get it authenticated after you get the other signatures.