MAS Chicago
Share
MAS Authentication Chicago
Enhance Your Value • Authenticate with Confidence
Professional autograph authentication for collectors, vendors, and events.
On-site at conventions and signings across Chicago & the Midwest. MAS Authentication Chicago
New Page for MAS Autograph Authentication - Under Construction, but lots coming soon
09/07/2026
🔥 DUPAGE COMIC CON — WE’LL BE ON-SITE! 🔥
MAS Authentication will be at DuPage Comic Con offering on-site autograph authentication services all day. MC Conventions
Bring your signed:
🖼️ Prints
🎨 Artwork
🃏 Cards
📀 DVDs
🧸 Toys
📸 Photos
📜 Posters
…and more!
💥 SHOW SPECIAL: $10 ON-SITE AUTHENTICATION
✨ Enhance Your Value with MAS Authentication.
📅 Saturday, September 12, 2026
⏰ 10 AM – 5 PM
📍 DuPage County Fairgrounds — Building 1
2015 Manchester Rd, Wheaton, IL 60187
Stop by the MAS table and get your autographs authenticated while you enjoy the show!
09/06/2026
Day 2 of NWI PokeKon is off to a great start!
09/05/2026
A packed house for NWI PokeKon today!
Click here to claim your Sponsored Listing.
Telephone
Address
Chicago, IL