2025-26 Topps Chrome Youthquake Kon Knueppel Refractor Purple #YQ-4
2025
See all Kon Knueppel cards & valuesEpic
$100.33est. value (ungraded)
Prices updated 2026-10-26
Based on recorded sold prices how we price cards
Card number
#YQ-4
Year
2025
Parallel / variant
Refractor Purple
Price by month
Average price of the 2025-26 Topps Chrome Youthquake Kon Knueppel Refractor Purple #YQ-4 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
$100.33
Recorded low
$100.33
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $100.33 | — |
Kon Knueppel prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $100.33 | Buy on eBay ↗ |
| PSA 7 | $41.00 | Buy on eBay ↗ |
| PSA 8 | $93.71 | Buy on eBay ↗ |
| PSA 9 | $107.50 | Buy on eBay ↗ |
| Grade 9.5 | $265.00 | Buy on eBay ↗ |
| PSA 10 | $269.99 | Buy on eBay ↗ |
| BGS 10 | $351.00 | Buy on eBay ↗ |
| CGC 10 | $108.00 | Buy on eBay ↗ |
| SGC 10 | $162.00 | Buy on eBay ↗ |
Other versions of this Kon Knueppel card
13 versions, each priced on its own. Most valuable first.
Refractor Purple Geometric
$96.00
Not enough history yet
Raw $96.00PSA 9 $144PSA 10 $330Checked 2026-10-26
Refractor Green Geometric
$82.00
Not enough history yet
Raw $82.00PSA 9 $133PSA 10 $368Checked 2026-10-26
Live on eBay
Affiliate — we may earn a commission2025-26 Topps Chrome Youthquake Kon Knueppel Refractor Purple #YQ-4 value & prices
The 2025-26 Topps Chrome Youthquake Kon Knueppel Refractor Purple #YQ-4 is a Basketball card (Refractor Purple parallel) released in 2025. Ungraded copies carry a market value of about $100.33.
An ungraded copy is worth around $100.33, a PSA 9 around $107.50, a PSA 10 (Gem Mint) around $269.99 and a pristine BGS 10 around $351.00. The gem-mint premium is modest (about 2.7× raw), so condition matters here but doesn't completely define the price.
Is it worth grading?
With raw copies near $100.33 and top grades reaching $269.99, grading a sharp copy of this card can clearly pay for itself — the spread comfortably covers a typical ~$25.00 grading fee. The catch: only submit copies with strong centering, clean corners, and unmarked surfaces, because anything below a 9 usually erases the math.
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