If you need a professional opinion on your item's authenticity or condition, eBay has links to companies that provide this specialized service:

• Opinions: Get a quick, preliminary opinion online regarding an item's authenticity before you buy or sell it. This service is currently available only for sports autographs and memorabilia.
• Authentication: Find out whether an item is genuine based on an independent authenticator's physical inspection.
• Grading: Determine the physical condition of an item.

For more information about Authentication & Grading, take a look at some Frequently Asked Questions.

Related Help topics

• Protection Programs: Overview