Find serial-numbered sports cards on eBay
Browse every serial-numbered sports card listed on eBay, from one-of-one chase cards to /5, /25, /99, /150, and beyond. Continuously updated.
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Browse every serial-numbered sports card listed on eBay, from one-of-one chase cards to /5, /25, /99, /150, and beyond. Continuously updated.
Every active sports card listing where the serial numerator is 12, across all print runs. The 12th copy from /99, /50, /25, /10 and other parallels, all in one place.
100+ listings numbered 12/X.
The vast majority of serial numbers shown here are accurate. In rare cases where a serial appears unclear, please verify by viewing the listing image yourself or messaging the seller before purchasing.
ebay$14.99
12/25
ebay$3.59
12/25
ebay$1.45
12/299
ebay$12.90
12/25
ebay$3.69
12/20
ebay$8.99
12/25
ebay$4.28
12/99
ebay$7.73
12/50
ebay$69.98
12/15
ebay$3.13
12/25
ebay$4.84
12/99
ebay$5.43
12/100
ebay$99.99
12/50
ebay$17.79
12/20
ebay$10.02
12/25
ebay$23.53
12/25
ebay$99.99
12/99
ebay$399.99
12/35
ebay$79.00
12/25
ebay$14.99
12/15
ebay$1.65
12/199
ebay$14.63
12/25
ebay$100.00
12/50
ebay$14.63
12/99
ebay$23.83
12/99
ebay$9.99
12/75
ebay$6.58
12/199
ebay$152.99
12/100
ebay$15.00
12/150
ebay$35.99
12/50
ebay$3.99
12/50
ebay$23.83
12/99
ebay$6.29
12/50
ebay$7.73
12/99
ebay$20.00
12/25
ebay$299.99
12/20
ebay$100.00
12/50
ebay$44.23
12/49
ebay$7.72
12/99
ebay$2.99
12/30
ebay$23.83
12/25
ebay$14.63
12/99
ebay$17.50
12/50
ebay$150.00
12/15
ebay$6.23
12/25
ebay$7.44
12/50
ebay$299.99
12/36
ebay$5.00
12/85
ebay$4.00
12/76
ebay$19.86
12/88
ebay$11.15
12/100
ebay$3.99
12/99
ebay$3.00
12/75
ebay$6.00
12/99
ebay$6.58
12/25
ebay$4.50
12/76
ebay$6.28
12/25
ebay$3.68
12/99
ebay$3.00
12/250
ebay$3.69
12/75Cards numbered 12/X are the 12th copy produced of their parallel print run. The 12 numerator stays the same across every set and parallel, but the denominator (the X) changes: a 12/99 is the 12th of 99, a 12/25 is the 12th of 25, and so on. Collectors who care about the 12 stamp rather than a specific print run can browse them all here.
For a specific print run, see the combo pages linked above. For broader context on what serial numbers mean, see our guide to serial-numbered sports cards.
A card numbered 12/X is the 12th copy out of its parallel's print run, where X varies by set and parallel. A 12/99 is the 12th of 99, a 12/25 is the 12th of 25, and so on. The /X notation is collector shorthand for "of any print run."
Jersey number 12 has been worn by Tom Brady, Aaron Rodgers, and Roger Staubach (all NFL). Collectors hunt 12/X cards as jersey-match for those quarterbacks.
For any given parallel, the 12/X copy is one-of-one — only one card in the world carries that exact stamp for that print run. Across all sets and parallels combined, 12/X copies exist in larger total numbers because thousands of different cards are produced each year, but each individual 12/X card is unique.
eBay's title search misses most 12/X cards because sellers rarely include the exact serial in the listing title. SerialScout reads the serial number from every listing image and lets you filter by exact numerator. This page shows every active listing with a numerator of 12, across all print runs.