I took this card out of a factory set. So it is definitely gradable.
![1988 Topps Mark McGwire rookie Error Card Green Line Down Bat. Printing error](https://cconnect.s3.amazonaws.com/wp-content/uploads/2017/10/1999-Topps-Chrome-Mark-McGwire-220-45.jpg)
Top Mark McGwire Baseball Cards, Rookies, Autographs, Minors
I'm plastic, not graded but newly mint condition
![1988 Topps Mark McGwire rookie Error Card Green Line Down Bat. Printing error](https://i.ebayimg.com/images/g/AW4AAOSwTCFk21D~/s-l1200.webp)
Mark McGwire 1988 Topps All-Star Rookie Green Line on Bat Error #580 Oakland
![1988 Topps Mark McGwire rookie Error Card Green Line Down Bat. Printing error](https://i.ebayimg.com/images/g/4hUAAOSwZPRlKfAe/s-l1600.jpg)
Mark McGwire Baseball Cards
![1988 Topps Mark McGwire rookie Error Card Green Line Down Bat. Printing error](https://qph.cf2.quoracdn.net/main-qimg-854bc732ba109ca6a3f754fb4ce36ff3-pjlq)
What is the double missprint error on the 1987 Topps Barry Bonds
![1988 Topps Mark McGwire rookie Error Card Green Line Down Bat. Printing error](https://i.ebayimg.com/images/g/WsIAAOSwMYZip7iI/s-l1200.jpg)
1988 Topps 580 Mark McGwire Blue Bat Error Misprint Rookie
![1988 Topps Mark McGwire rookie Error Card Green Line Down Bat. Printing error](https://i.ebayimg.com/images/g/nREAAOSwoIZlEvpv/s-l1600.jpg)
Mark McGwire Baseball Cards
Not a common misprint. Very noticeable when compared to other examples. I am not a grader but I think it’s a nice looking collectible, centered nicely
![1988 Topps Mark McGwire rookie Error Card Green Line Down Bat. Printing error](https://i.ebayimg.com/images/g/BScAAOSwvcRip7iH/s-l1600.jpg)
1988 Topps 580 Mark McGwire Blue Bat Error Misprint Rookie Baseball Card
![1988 Topps Mark McGwire rookie Error Card Green Line Down Bat. Printing error](https://beckett-www.s3.amazonaws.com/news/news-content/uploads/2023/01/2023-Topps-Series-1-Baseball-1988-Topps-Baseball-B.jpg)
2023 Topps Series 1 Baseball Checklist, Team Sets, Box Info, Odds
![1988 Topps Mark McGwire rookie Error Card Green Line Down Bat. Printing error](https://i.etsystatic.com/31060393/r/il/387e32/4666267280/il_fullxfull.4666267280_3qdd.jpg)
Card Error Mark Mcgwire
![1988 Topps Mark McGwire rookie Error Card Green Line Down Bat. Printing error](https://cardlines.com/wp-content/uploads/2023/04/1988-topps-al-leiter-error-card.jpg)
An In-Depth Report On 1988 Topps Errors and Variations
![1988 Topps Mark McGwire rookie Error Card Green Line Down Bat. Printing error](https://i.etsystatic.com/18527506/r/il/6cb20f/4651657706/il_fullxfull.4651657706_clqz.jpg)
1987 Donruss Mark Mcgwire Rated Rookie Baseball Card
![1988 Topps Mark McGwire rookie Error Card Green Line Down Bat. Printing error](https://www.oldsportscards.com/wp-content/uploads/2023/09/Most-Valuable-Baseball-Cards-1980s.webp)
25 Most Valuable 1980s Baseball Cards - Old Sports Cards