2025-26 Topps Cosmic Chrome Extraterrestrial Talent Kon Knueppel Purple Nebula Refractor #ET-14
2026
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$44.06est. value (ungraded)
Prices updated 2026-10-26
Based on recorded sold prices how we price cards
Card number
#ET-14
Year
2026
Parallel / variant
Purple Nebula Refractor
Price by month
Average price of the 2025-26 Topps Cosmic Chrome Extraterrestrial Talent Kon Knueppel Purple Nebula Refractor #ET-14 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
$44.06
Recorded low
$44.06
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $44.06 | — |
Kon Knueppel prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $44.06 | Buy on eBay ↗ |
| PSA 8 | $44.27 | Buy on eBay ↗ |
| PSA 9 | $60.00 | Buy on eBay ↗ |
| Grade 9.5 | $148.50 | Buy on eBay ↗ |
| PSA 10 | $223.65 | Buy on eBay ↗ |
| BGS 10 | $291.00 | Buy on eBay ↗ |
| CGC 10 | $89.00 | Buy on eBay ↗ |
| SGC 10 | $134.00 | Buy on eBay ↗ |
Other versions of this Kon Knueppel card
6 versions, each priced on its own. Most valuable first.
Green Space Dust Refractor
$59.00
Not enough history yet
Raw $59.00PSA 9 $102PSA 10 $291Checked 2026-10-26
Aqua Equinox Refractor
$35.84
Not enough history yet
Raw $35.84PSA 9 $71.45PSA 10 $205Checked 2026-10-26
Live on eBay
Affiliate — we may earn a commission2025-26 Topps Cosmic Chrome Extraterrestrial Talent Kon Knueppel Purple Nebula Refractor #ET-14 value & prices
The 2025-26 Topps Cosmic Chrome Extraterrestrial Talent Kon Knueppel Purple Nebula Refractor #ET-14 is a Basketball card (Purple Nebula Refractor parallel) released in 2026. Ungraded copies carry a market value of about $44.06.
An ungraded copy is worth around $44.06, a PSA 9 around $60.00, a PSA 10 (Gem Mint) around $223.65 and a pristine BGS 10 around $291.00. That's roughly a 5.1× 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 $44.06 and top grades reaching $223.65, 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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