2025-26 Topps 1980-81 Topps Basketball Kon Knueppel Green #80BK-53
2025
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$83.84est. value (ungraded)
Prices updated 2026-10-25
Based on recorded sold prices how we price cards
Card number
#80BK-53
Year
2025
Parallel / variant
Green
Kon Knueppel price history
$361▲ 0.0%
Oct 24 · $361 low$361 high · Oct 25
PSA 10 market value, one reading a day. One-day spikes that reverse the next day are left out.
Price by month
Average price of the 2025-26 Topps 1980-81 Topps Basketball Kon Knueppel Green #80BK-53 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
$83.84
Recorded low
$83.84
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $83.84 | — |
Kon Knueppel prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $83.84 | Buy on eBay ↗ |
| PSA 8 | $77.87 | Buy on eBay ↗ |
| PSA 9 | $133.28 | Buy on eBay ↗ |
| Grade 9.5 | $250.43 | Buy on eBay ↗ |
| PSA 10 | $361.46 | Buy on eBay ↗ |
| BGS 10 | $470.00 | Buy on eBay ↗ |
| CGC 10 | $145.00 | Buy on eBay ↗ |
| SGC 10 | $217.00 | Buy on eBay ↗ |
Other versions of this Kon Knueppel card
6 versions, each priced on its own. Most valuable first.
Live on eBay
Affiliate — we may earn a commission2025-26 Topps 1980-81 Topps Basketball Kon Knueppel Green #80BK-53 value & prices
The 2025-26 Topps 1980-81 Topps Basketball Kon Knueppel Green #80BK-53 is a Basketball card (Green parallel) released in 2025. Ungraded copies carry a market value of about $83.84.
An ungraded copy is worth around $83.84, a PSA 9 around $133.28, a PSA 10 (Gem Mint) around $361.46 and a pristine BGS 10 around $470.00. That's roughly a 4.3× 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 $83.84 and top grades reaching $361.46, 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 1980-81 Topps Basketball2025Basketball cardsGreenPSA 10BGS 10card valueprice guide