This is a funko Signed, that has been Personally Signed & Autographed by Mike Dirnt. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by 

Autographcoa (Acoa) : Cert Number SB68449  This can be verified on their website

Mike Dirnt Signed Green Day Funko Pop #235 ACOA

I offer a 100% Lifetime Guarantee on all Autographed memorabilia.
Product Details
• Signed By: Mike Dirnt
• Authenticated By: Acoa (Autographcoa)

My Guarantee:
We offer authentic in-person autographs that include a 100% money-back lifetime guarantee regarding the autograph's authenticity. Our items are sourced from direct in person events. The companies that authenticate these items include Beckett Authentication Services (BAS), Professional Sports Authenticator (PSA/DNA), James Spence Authentication (JSA), Or Autographcoa (ACOA) All top notch 3rd party authenticators. Funko will be shipped in plastic container and a box.

Product Information