MAS Authentication

We'll be at @toonfusionor All weekend! VIP Pass holders get one free COA! Stop by and see us for all your autograph authentication needs! #COA #MAS #Autograph #toonfusion

🔥Announcement🔥 Official Send-In Service for Erica Mendez at Infinite Collectibles is LIVE on MASCertified.com Send in your items today! #autograph #hunterxhunter #gon #MAS

We are excited to announce Brett Gelman will be a guest at this year’s Undiscovered Realm Comic Con taking place June 13th and 14th at the Westchester County Center in White Plains, NY. (30 minutes north of NYC with Metro North train service stopping right in the venues parking lot, minutes from CT, NJ, and easy travel from PA and beyond) This will be Brett’s first U.S. convention appearance ever! Brett is of course most known for his role as fan favorite Murray Bauman on Stranger Things as well as his roles on Fleabag, Eagleheart, The Office, Married, Another Period, Go On, Camping, Inside Job, Lady in the Lake, and his film roles in Lemon, The Other Guys, 30 Minutes Or Less, The Disaster Artist, Lyle, Lyle, Crocodile, Strays, Boy Kills World, and lots more! Admission, Autograph, and Photo-Op Tickets are now on sale on Send-ins will be available through our send in partner @mascertified

Having a blast at Weebcon! Last day starts soon! Come join us for all your authentication needs! @weebconofficial #authentication #autographs

@weebconofficial Day 1 Starts now!!! Our team is here for all your authentication needs! #weebcon #autograph #MAS #authentic

Getting ready for @weebconofficial this weekend! Who's ready?? 🌥️WeebCon 2026🌥️

Hey #c2e2 guests! @ekimerer has an announcement for you! Come and meet the iconic voice behind #obanai #gowther #speedosoundsonic and many more only at the First Form Booth # 1336 @mascertified will be onsite authenticating signatures and we also have very limited quantities of the long vaulted Obanai Funko Pops! See you there!

‼️OFFICIAL AUTOGRAPH AUTHENTICATION‼️ WeebCon is pleased to announce MAS Authentication as the Official Autograph Authentication Service for WeebCon 2026. Attendees can visit Booths #319 and #320 throughout all three days of the event for On-Site Authentication and Witnessed Signature Services. MAS Authentication will also be available to review autographs obtained outside of the convention. Plot Armor Ticket holders will receive one (1) complimentary COA. #MAS #EnhanceYourValue #Autograph 🌥️WeebCon 2026🌥️

Prepare yourselves, Chicago @ekimerer , the voice of Obanai Iguro from Demon Slayer, is officially slithering his way to @c2e2 ! He will be at the First Form Booth, signing all weekend. Just like Obanai’s Winding Serpent Slash, this appearance is cutting straight through the excitement and landing right at the heart of the show. Fans of Demon Slayer, One‑Punch Man, Toradora, and more won’t want to miss this chance to meet one of the most dynamic voices in anime. Limited Obanai Funko Pops will be available at the booth first-come, first-served. @mascertified will be on-site, providing autograph authentication and witnessing services directly at the booth. A huge thank you to @bctalentagency and @encorerepllc for making this appearance possible and bringing another incredible guest to the fans. Get ready, C2E2! Erik Kimerer is on his way, and the Serpent Hashira energy is REAL.

🔥 GET YOUR AUTOGRAPHS AUTHENTICATED ON-SITE! 🔥 The Charlotte TCG Showdown is bringing @mascertified to the show for on-site & witnessed autograph authentication all weekend! Meeting our guest voice actors John Gremillion (Dracule Mihawk – One Piece) and Darren Dunstan (Maximillion Pegasus – Yu-Gi-Oh!)? Make your signed cards, Funko Pops, and collectibles officially authenticated right at the show. This is the perfect opportunity to increase the value and legitimacy of your autograph while the signing happens. ✅ On-site witnessed authentication 💳 Cash & card accepted 💰 Special show pricing – $10 Bring your cards, Funkos, figures, posters, and collectibles and get them authenticated instantly during the event! 📍 Charlotte TCG Showdown 📅 April 18–19, 2026 Don’t miss the chance to meet the guests AND walk away with certified collectibles. #CharlotteTCGShowdown #AutographAuthentication #MASAuthentication #OnePieceTCG #YuGiOh #AnimeCollectors #FunkoCollectors #TCGCommunity #SignedMemorabilia #AnimeVoiceActors #CollectiblesCommunity #CardShow #CharlotteEvents #TCGShow #TradingCards

MAS will be on site at @gonebrokecon all weekend and are now accepting your autographed cards to be authenticated, slabbed and shipped back directly to you! #MAS #autograph #slab #gonebroke #tcg

We're excited to be back at @permianbasincomicconx this weekend! We have an amazing team ready to go and have special pricing at $10 only for this amazing comic con! We cant wait to meet everyone see you soon! #MAS #autograph #authentication #comiccon