2021 Panini Contenders Optic Xs and Os Justin Fields / Khalil Mack Blue #XO-14
2021
See all Justin Fields / Khalil Mack cards & valuesCommon
$1.72est. value (ungraded)
Prices updated 2026-10-24
Based on recorded sold prices how we price cards
Card number
#XO-14
Year
2021
Parallel / variant
Blue
Justin Fields / Khalil Mack price history
$1.72▲ 0.0%
Oct 23 · $1.72 low$1.72 high · Oct 24
Ungraded market value, one reading a day. One-day spikes that reverse the next day are left out.
Price by month
Average price of the 2021 Panini Contenders Optic Xs and Os Justin Fields / Khalil Mack Blue #XO-14 each month, from 1 recorded price reading. Prices are re-checked regularly; a month's average counts each day from that month's first reading at the price that held that day.
Recorded high
$1.72
Recorded low
$1.72
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $1.72 | — |
Justin Fields / Khalil Mack prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $1.72 | Buy on eBay ↗ |
| PSA 9 | $29.99 | Buy on eBay ↗ |
| Grade 9.5 | $33.00 | Buy on eBay ↗ |
Other versions of this Justin Fields / Khalil Mack card
5 versions, each priced on its own. Most valuable first.
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Affiliate — we may earn a commission2021 Panini Contenders Optic Xs and Os Justin Fields / Khalil Mack Blue #XO-14 value & prices
The 2021 Panini Contenders Optic Xs and Os Justin Fields / Khalil Mack Blue #XO-14 is a Football card (Blue parallel) released in 2021. Ungraded copies carry a market value of about $1.72.
An ungraded copy is worth around $1.72 and a PSA 9 around $29.99.
Is it worth grading?
The spread between raw ($1.72) and top-graded ($29.99) copies is fairly tight, so grading this card only makes financial sense for truly flawless copies — or for collectors who simply prefer slabbed cards for protection and display.
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