The Authentication Company

Authenticating Antique Advertising to Preserve Your Investment

Petroliana • Motorcycle • Porcelain Signs • License Plates • Automobilia 

Soda Signs • Gas Globes

 

Become a member to search 22,000+ antique advertising items evaluated by TAC. See descriptions, values, photos and more!

20+ years experience in the antiques industry.


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SEARCH FOR ANTIQUE ADVERTISING

The Ultimate Guide for Petroliana Collectors

Purchase our 2-volume book collection: "The Fine Art of Collecting & Displaying Petroliana." A great gift for new and experienced collectors. 

Buy Now

RATING SYSTEM

The Matthews Grading System is now the industry standard for grading and describing Petroliana and Advertising collectibles.

Learn More

WHY GET TAC'D?

If you're a collector of antique signs, globes cans,  metal thermometers, or other miscellaneous advertising items, get your items "TAC'd" and receive the TAC seal of authenticity.

Learn Why

Watch Dan on the Paul Jr Designs Podcast

TAC owner Dan Matthews talks about the vintage sign industry to Paul Tetul Jr of American Chopper. 

Watch the Interview