2018 Panini Donruss Rookie Kings Michael Porter Jr. Press Proof Purple #13
2018
See all Michael Porter Jr. cards & values2018 seasonMissouri Tigers men's basketballMichael Porter Jr. career & card values
$6.34est. value (ungraded)
Prices updated 2026-10-24
Based on recorded sold prices how we price cards
Price by month
Average price of the 2018 Panini Donruss Rookie Kings Michael Porter Jr. Press Proof Purple #13 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.
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $6.34 | — |
Michael Porter Jr. prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $6.34 | Buy on eBay ↗ |
| PSA 9 | $19.99 | Buy on eBay ↗ |
| Grade 9.5 | $22.00 | Buy on eBay ↗ |
Live on eBay
Affiliate — we may earn a commission2018 Panini Donruss Rookie Kings Michael Porter Jr. Press Proof Purple #13 value & prices
The 2018 Panini Donruss Rookie Kings Michael Porter Jr. Press Proof Purple #13 is a Basketball card (Press Proof Purple parallel) released in 2018. Ungraded copies carry a market value of about $6.34.
An ungraded copy is worth around $6.34 and a PSA 9 around $19.99.
Is it worth grading?
The spread between raw ($6.34) and top-graded ($19.99) 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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