Black Geometric Refractor
$1,118
Not enough history yet
Raw $1,118PSA 9 $1,722PSA 10 $4,814Checked 2026-10-26
2025-26 Finest Rookie Finest Autographs Kon Knueppel Blue X-Fractor #RFA-KK
2026
See all Kon Knueppel cards & valuesLegendary
$1,136.00est. value (ungraded)
Prices updated 2026-10-26
Based on recorded sold prices how we price cards
Card number
#RFA-KK
Year
2026
Parallel / variant
Blue X-Fractor
Price by month
Average price of the 2025-26 Finest Rookie Finest Autographs Kon Knueppel Blue X-Fractor #RFA-KK 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
$1,136.00
Recorded low
$1,136.00
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $1,136.00 | — |
Kon Knueppel prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $1,136.00 | Buy on eBay ↗ |
| PSA 8 | $593.56 | Buy on eBay ↗ |
| PSA 9 | $1,032.21 | Buy on eBay ↗ |
| Grade 9.5 | $1,214.00 | Buy on eBay ↗ |
| PSA 10 | $1,239.00 | Buy on eBay ↗ |
| BGS 10 | $1,075.00 | Buy on eBay ↗ |
| CGC 10 | $496.00 | Buy on eBay ↗ |
| SGC 10 | $743.00 | Buy on eBay ↗ |
Other versions of this Kon Knueppel card
6 versions, each priced on its own. Most valuable first.
Gold Geometric Refractor
$878
Not enough history yet
Raw $878PSA 9 $1,354PSA 10 $3,790Checked 2026-10-26
Live on eBay
Affiliate — we may earn a commission2025-26 Finest Rookie Finest Autographs Kon Knueppel Blue X-Fractor #RFA-KK value & prices
The 2025-26 Finest Rookie Finest Autographs Kon Knueppel Blue X-Fractor #RFA-KK is a Basketball card (Blue X-Fractor parallel) released in 2026. Ungraded copies carry a market value of about $1,136.00.
An ungraded copy is worth around $1,136.00, a PSA 9 around $1,032.21, a PSA 10 (Gem Mint) around $1,239.00, a pristine BGS 10 around $1 and075.00.
Is it worth grading?
With raw copies near $1,136.00 and top grades reaching $1,239.00, 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 Finest Rookie Finest Autographs2026Basketball cardsBlue X-FractorPSA 10BGS 10card valueprice guide