This type of authentication sticker is only given to items that a JSA representative witnessed being signed and is stickered immediately. (Think of it as a notary public where the authenticator is confirming they witnessed the actual item being signed by that actor).
Certification Number: WPP597201 and WPP268368. Any questions, feel free to ask. Thanks for looking, and good. The item "Avengers Endgame Double-Sided Theatrical poster Signed by 11 cast members JSA" is in sale since Thursday, November 28, 2019. This item is in the category "Entertainment Memorabilia\Autographs-Original\Movies\Posters".
The seller is "twincitiescomics" and is located in Big Lake, Minnesota. This item can be shipped worldwide.