TCGAI.PRO 9.5
Kon Knueppel
#7EAF421AA35C Submit
Kon Knueppel card, TCGAI Score 9.5

Certificate #7EAF421AA35C · Basketball

Kon Knueppel

Topps Chrome · #254 · 2025

TCGAI Score

9.5

Gem Mint Submit Secondary 10.0

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Estimate, not an official grade.

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Sub-grades, front and back

Each side is scored out of 10. The lowest sub-grade caps the TCGAI Score.

Front of Kon Knueppel
Front
Back of Kon Knueppel
Back
Category Front Back
Centering 9.5 9.5
Corners 10 10
Edges 10 10
Surface 10 10
Whitening 10 10
Holo / foil 10 10
Limiting factor
Centering (9.5) Card appears in gem mint, pack-fresh condition.
Centering
Front 48/52 L/R, 54/46 T/B Back 49/51 L/R, 55/45 T/B Measured from the photo

What the AI found

Flaws visible at the photo's resolution. A grader under magnification may find more.

No defects listed at this photo resolution.

What this card sells for

An estimate from recent listings, not an appraisal. Prices in USD.

Graded 10

$175

$123 – $228

Raw, ungraded

$74.18

$28.06 – $150 · 31 listings

Grading premium

+136%

Graded average over raw average

Average sale price by grade
Grade Average Range Sales
10 $175 $123 – $228 0

Estimate from eBay listings after removing bundles, wrong sets and outliers. Small samples move a lot. Estimado de raw ungraded * 2.50 (raw=32 samples). Baja confianza.

About this card

Background compiled from public web sources. Check it before you buy or sell.

Market outlook

Stable Outlook 7/10

Base rookie Chrome cards usually settle after the initial release spike unless the player becomes a major star. Kon Knueppel has strong early hobby interest, but the card is common and already has visible grading population, which limits long-term scarcity premiums.

Next months. Expect moderate price fluctuation tied to player news, grading submissions, and hobby momentum, with the base card likely remaining relatively affordable compared with numbered parallels.

Long term. Over 1-3 years, the base card should remain liquid and collectible, but major appreciation is most likely only if Kon Knueppel becomes a high-impact NBA player or if this specific rookie card gains status as a key early flagship issue.

History

Kon Knueppel is an American basketball player and 2025 NBA rookie, best known as a highly regarded wing prospect from Duke University who entered the hobby as a Topps Chrome rookie in the 2025-26 Topps Chrome Basketball release. In card collecting terms, his significance comes from being one of the key first-year players in a major chrome basketball product, which typically drives early rookie-card demand and parallel chasing. The standard #254 card is his base Topps Chrome rookie card, while multiple premium parallels and autographs have already drawn strong collector attention.

The card first appeared in 2025 Topps Chrome Basketball / 2025-26 Topps Chrome Basketball, with the standard base card numbered #254 and identified as a rookie card in hobby listings and grading-company coverage. graded referenced the 2025-26 Topps Chrome #254 Kon Knueppel Rookie Card in early 2026, confirming its circulation in that release cycle.

  • The base #254 card is listed by HobbyScan as a 2025 Topps Chrome Kon Knueppel card with the Charlotte Hornets and a Rookie designation.
  • graded reported 48 graded examples of the standard base card in its population report as of early March 2026, showing early grading activity for the card.
  • Kon Knueppel has also appeared in higher-demand Topps Chrome parallels and autographs, including reported high sales for white auto refractor and black auto refractor cards.

Rarity and print run

Tier
Common
Print run
Very High
First printed in
2025 Topps Chrome Basketball / 2025-26 Topps Chrome Basketball
Demand
High
Supply
High
  • Standard base Chrome rookie card with broad distribution
  • Large supply expected from a flagship modern basketball release
  • Many collectors will target parallels and autographs instead of the base card

Collector notes

Condition. Check centering carefully, especially left-right and top-bottom alignment, since Chrome basketball cards often lose value quickly with centering issues. Inspect for surface scratches, print lines, roller marks, edge chipping, and corner whitening, which are common on chrome stock. For reflective parallels, look for faint scuffs, rainbow print defects, and any factory dimples visible under angled light.

Storage. Store the card immediately in a penny sleeve and a rigid top loader or card saver, and avoid direct handling of the surface. Keep it in a cool, dry environment away from sunlight and humidity. If the card is a valuable parallel or appears gradable, consider submitting directly from sleeve to semi-rigid holder with minimal movement to reduce edge wear.

Authenticity. For a base modern Topps Chrome card, authenticity is usually verified by print quality, stock, and comparison to known authentic examples. Watch for blurry text, incorrect chrome sheen, poor serial stamping on parallels, and inconsistent backs or fonts on reprints or counterfeits. If the card is a premium parallel or autograph, third-party grading or authentication is the safest route, especially because high-value Kon Knueppel cards have already drawn market attention and auction scrutiny.

Sources: sportscardinvestor.com, hobbyscan.com, sportscardspro.com, reddit.com, cgccards.com

Card details

Name
Kon Knueppel
Game
Basketball
Set
Topps Chrome (CHROME)
Number
254
Year
2025
Rarity
Common
Language
English
Manufacturer
Topps
Identification
Not matched in a catalog
Certificate
#7EAF421AA35C
Graded on
Jul 30, 2026
Views
19

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The TCGAI Score is an AI estimate made from photos. It is not an official grade and third-party grades may differ. Not affiliated with any grading company. Read the AI disclaimer.