- Oakland A's and St. Louis Cardinals legend Mark McGwire signed baseball
- Autographed on the sweet spot in blue ballpoint pen - very clear, detailed and presentable
- Signed on a Rob Manfred official MLB Baseball
- Excellent condition; little to no toning or handling wear, no marks
- Letter of authenticity provided by JSA - certification number Z44191
- Please check out our other signed baseballs and baseball memorabilia, combined shipping is available
- Feel free to contact us with any questions you may have
- Please see photos
Item ID# A35
LOA ID# L1