Online Sports memorabilia?

How can one ensure that autographed merchandise bought online is authentic?

Usually memorabilia will come with a certificate of authenticity. Also, good memorabilia will have a seal of authenticity as well.

I recently purchased a piece of memorabilia and it came with both, plus a photo of the athlete signing it.

I can vouch for this site, as I have purchased from it before.

http://sportmemorylane.com

Dallas Cowboys NFL Insulated Lunch Cooler Bag $11.50 Support your team and show everybody your a fan with this Insulated Lunch Bag - Cooler by Forever Collectibles! Officially licensed, this convenient lunch bag features the team name scrolling the shoulder strap and team logos and name printed on the cooler. Features a fully lined, insulated vinyl interior which can also double as a cooler and is large enough to hold a six pack of your favorite bev...

Tony Hawk Skateboard Action 8x10 Photo $5.95 Show support for your favorite celebrity or athlete with a high quality photo! This 8x10 will look great displayed in any fan's home or office. Check out related items below to add a wood plaque with acrylic cover to display this great picture, or have it professionally framed and matted by Collectibles of the Game. Many other photos available, including movie stills, actors & actresses, musicians...

Michael Jordan Bulls Dunking Tongue Out 16x20 Photo $29.95 Show support for your favorite celebrity or athlete with a high quality photo! This 16x20 will look great displayed in any fan's home or office. Many other photos available, including movie stills, actors & actresses, musicians, athletes, and more!...

1988 Daytona 500 (A Family Affair) $7.62 The 30th running of the Daytona 500 on Valentines Day 1988 is a day that will always be remembered by NASCAR fans. It was the first race to feature restrictor plates, as well as the first race that Dale Earnhardts #3 car featured the famous black paint scheme. Even with the restrictor plates, the race had its share of tense moments. Richard Petty narrowly escaped without serious harm after a wild ...