top of page
Members Only Catalog

Get Free Access To Our Members Only Catalog

Until October 1, 2023

Members only Catalog
AGS Team

Authentication & Grading

Leveraging a blend of traditional expertise and modern technology, our seasoned advisors with over 200 years of combined experience provide meticulous authentication and grading. From our proprietary 100-point grading scale to our advanced Niton XL5 XRF analyzer for chemical assessments, we offer a comprehensive evaluation process that instills confidence.

AGS Custom Grading

Each authenticated item is awarded a custom, tamper-proof decal and certification card, both of which are linked to our searchable, subscription-based catalog.


Choose between our convenient mail-in service or in-person evaluations to begin your journey towards authenticated value today!

AGS Custom Sticker

Authentication By Mail

Request to mail in your item for authentication.

In-Person Authentication

Bring in your item for authentication at our Ephrata, PA Location.

The Industry Standard For Authentication And Grading

"Trust before you buy. Confidence when you sell."

Members Only Catalog

Access an exclusive members-only catalog and unlock the hidden authenticity values of Antique Advertising collectibles.

*Free access until October 1, 2023

Members only catalog


From The Blog

Check back soon
Once posts are published, you’ll see them here.
bottom of page