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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.

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In-Person Authentication

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

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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 January 1, 2024

Members only catalog

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