2025-26 Bowman Greatness Loading Kon Knueppel Purple Refractor #GL-4
2026
See all Kon Knueppel cards & valuesUncommon
$22.28est. value (ungraded)
Prices updated 2026-10-24
Based on recorded sold prices how we price cards
Card number
#GL-4
Year
2026
Parallel / variant
Purple Refractor
Price by month
Average price of the 2025-26 Bowman Greatness Loading Kon Knueppel Purple Refractor #GL-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
$22.28
Recorded low
$22.28
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $22.28 | — |
Kon Knueppel prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $22.28 | Buy on eBay ↗ |
| PSA 8 | $24.99 | Buy on eBay ↗ |
| PSA 9 | $47.00 | Buy on eBay ↗ |
| Grade 9.5 | $79.00 | Buy on eBay ↗ |
| PSA 10 | $81.01 | Buy on eBay ↗ |
| BGS 10 | $105.00 | Buy on eBay ↗ |
| CGC 10 | $32.00 | Buy on eBay ↗ |
| SGC 10 | $49.00 | Buy on eBay ↗ |
Other versions of this Kon Knueppel card
8 versions, each priced on its own. Most valuable first.
Live on eBay
Affiliate — we may earn a commission2025-26 Bowman Greatness Loading Kon Knueppel Purple Refractor #GL-4 value & prices
The 2025-26 Bowman Greatness Loading Kon Knueppel Purple Refractor #GL-4 is a Basketball card (Purple Refractor parallel) released in 2026. Ungraded copies carry a market value of about $22.28.
An ungraded copy is worth around $22.28, a PSA 9 around $47.00, a PSA 10 (Gem Mint) around $81.01 and a pristine BGS 10 around $105.00. That's roughly a 3.6× 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 $22.28 and top grades reaching $81.01, 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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