Antique Advertising Sign Authentication 

At The Authentication Company (TAC), our mission to make sure you know the value of your hard-earned collection and know what to pay for additional items for your collection

By authenticating your items, you'll know the true value of your collection, how to research additional items, place smart bids for more items. 

The Authentication Company (TAC) has been authenticating antique advertising signs and items since 2000. We offer authentication services for various categories of antique advertising signs, including

Porcelain • Harley-Davidson, Indian, and other Motorcycle signs • Petroliana  • Automobilia • Country Store • Coca-Cola, Pepsi, and other Soda signs. 

Become a member of TAC to qualify to have items authenticated. We offer a variety of membership levels for every collector.

 

How It Works | Submission Form