2021 Onyx Premium Baseball highlights past, present and future MLB stars via hard-signed cards. Every box contains two autographs. The 2021 Onyx Premium Baseball checklist sticks with just signed cards for the entire series. This means no base cards, which typically account for half of the box contents.
Some cards offer limited inscriptions.
- 2 autographed cards per pack.
- 1 pack per box.
Look for 2 autographs per box on average.
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