![Sold at Auction: Error - 1987 Topps Gary Carter Wrong Back Error Card](https://cdn3.mavin.io/production/soldItems/303089810/images/image-0.jpg)
topps 1989 record breaker Values - MAVIN
![Sold at Auction: Error - 1987 Topps Gary Carter Wrong Back Error Card](https://beckett-www.s3.amazonaws.com/news/news-content/uploads/2020/03/1984-Donruss-Don-Mattingly.jpg)
Top 100 1980s Baseball Cards and Why They're So Memorable
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Bob D'Angelo's Books & Blogs - The Sports Bookie: Bob D'Angelo's
![Sold at Auction: Error - 1987 Topps Gary Carter Wrong Back Error Card](https://waxpackgods.com/wp-content/uploads/2021/10/1987-Topps-Roger-Clemens.jpg)
1987 Topps Baseball Cards – 25 Most Valuable … Plus BONUS Listings
ERROR-RED CIRCLE PAINT ERROR ON JERSEY.
![Sold at Auction: Error - 1987 Topps Gary Carter Wrong Back Error Card](https://i.ebayimg.com/images/g/Bj8AAOSweDBh5zqW/s-l1600.jpg)
(1)1987 TOPPS GARY CARTER ALL-STAR ERROR #602 BASEBALL CARD.
![Sold at Auction: Error - 1987 Topps Gary Carter Wrong Back Error Card](https://qph.cf2.quoracdn.net/main-qimg-a0b00dc74608d446647e9c4e9b1cef79-lq)
Are all baseball cards with errors valuable? I found an old fleer
![Sold at Auction: Error - 1987 Topps Gary Carter Wrong Back Error Card](https://image.invaluable.com/static/invaluable/footer/devices.png)
Sold at Auction: Error - 1987 Topps Gary Carter Wrong Back Error Card
![Sold at Auction: Error - 1987 Topps Gary Carter Wrong Back Error Card](https://3.bp.blogspot.com/-xvGurI9SdSA/WHVSe90MSII/AAAAAAABrZI/f--19tL9p7UMJb17sjJVHpgGTJgjrMOVACLcB/s640/mfm-4-4.jpg)
My favorite mistakes
![Sold at Auction: Error - 1987 Topps Gary Carter Wrong Back Error Card](https://sabrbaseballcards.files.wordpress.com/2023/09/img_7005.jpg?w=339&h=463)
Pinnacle and Score – SABR's Baseball Cards Research Committee
![Sold at Auction: Error - 1987 Topps Gary Carter Wrong Back Error Card](http://mlblogskeitholbermann.files.wordpress.com/2012/07/mathewson.jpg)
Christy Mathewson