2025-26 Topps Signature Class Algorithm Kon Knueppel #AL-23
$69.99est. value (ungraded)
Prices updated 2026-10-16
Based on recorded sold prices how we price cards
Kon Knueppel price history
PSA 10 market value, one reading a day. One-day spikes that reverse the next day are left out.
Recent recorded prices
9 recorded price points for the 2025-26 Topps Signature Class Algorithm Kon Knueppel #AL-23 from our sales and market data.
| Date | Source | Price |
|---|---|---|
| Oct 16, 2026 | Market value | $69.99 |
| Oct 16, 2026 | Market value | $69.99 |
| Oct 15, 2026 | Market value | $69.99 |
| Oct 7, 2026 | Market value | $69.99 |
| Oct 7, 2026 | Market value | $69.99 |
| Oct 7, 2026 | Market value | $69.99 |
| Sep 11, 2026 | Ebay Market | $99.99 |
| Aug 18, 2026 | Ebay Market | $120.00 |
Kon Knueppel prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $69.99 | Buy on eBay ↗ |
| PSA 8 | $77.17 | Buy on eBay ↗ |
| PSA 9 | $135.55 | Buy on eBay ↗ |
| Grade 9.5 | $257.82 | Buy on eBay ↗ |
| PSA 10 | $391.69 | Buy on eBay ↗ |
| BGS 10 | $509.00 | Buy on eBay ↗ |
| CGC 10 | $235.00 | Buy on eBay ↗ |
| SGC 10 | $235.00 | Buy on eBay ↗ |
Live on eBay
Affiliate — we may earn a commission2025-26 Topps Signature Class Algorithm Kon Knueppel #AL-23 value & prices
The 2025-26 Topps Signature Class Algorithm Kon Knueppel #AL-23 is a Basketball card. Ungraded copies carry a market value of about $69.99.
An ungraded copy is worth around $69.99, a PSA 9 around $135.55, a PSA 10 (Gem Mint) around $391.69 and a pristine BGS 10 around $509.00. That's roughly a 5.6× 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 $69.99 and top grades reaching $391.69, 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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