2025-26 Topps Chrome Youthquake Kon Knueppel Refractor Blue #YQ-4
2025
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$57.55est. 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 Blue
Price by month
Average price of the 2025-26 Topps Chrome Youthquake Kon Knueppel Refractor Blue #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
$57.55
Recorded low
$57.55
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $57.55 | — |
Kon Knueppel prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $57.55 | Buy on eBay ↗ |
| PSA 8 | $38.00 | Buy on eBay ↗ |
| PSA 9 | $80.00 | Buy on eBay ↗ |
| Grade 9.5 | $181.10 | Buy on eBay ↗ |
| PSA 10 | $264.94 | Buy on eBay ↗ |
| BGS 10 | $344.00 | Buy on eBay ↗ |
| CGC 10 | $106.00 | Buy on eBay ↗ |
| SGC 10 | $159.00 | 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 Blue #YQ-4 value & prices
The 2025-26 Topps Chrome Youthquake Kon Knueppel Refractor Blue #YQ-4 is a Basketball card (Refractor Blue parallel) released in 2025. Ungraded copies carry a market value of about $57.55.
An ungraded copy is worth around $57.55, a PSA 9 around $80.00, a PSA 10 (Gem Mint) around $264.94 and a pristine BGS 10 around $344.00. That's roughly a 4.6× premium for a gem-mint copy over raw — one of the clearest signals that condition-sensitive buyers dominate this card's market.
Is it worth grading?
With raw copies near $57.55 and top grades reaching $264.94, 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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Kon Knueppel2025-26 Topps Chrome Youthquake2025Basketball cardsRefractor BluePSA 10BGS 10card valueprice guide