TCGAI.PRO Kon Knueppel 2025 · Topps Chrome · #254
10.0 Gem Mint
Cen
10
Cor
10
Edg
10
Sur
10
Submit
Kon Knueppel card, TCGAI Score 10.0

Certificate #ABA8993614A7 · Basketball

Kon Knueppel

Topps Chrome · #254 · 2025

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Estimate, not an official grade.

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Condition report

Each check is scored out of 10 on both sides. The lowest one caps the TCGAI Score.

Front No flaws
Back No flaws
49 51 49 51
Front 49/51 L/R · 49/51 T/B
50 50 49 51
Back 49/51 L/R · 50/50 T/B

Measured from the photo. Borders drawn wider than real so the offset shows.

Sub-grades out of 10, front and back
Check Front Back
Centering 10 10
Corners 10 10
Edges 10 10
Surface 10 10
Whitening 10 10
Holo / foil 10 10

Limited by Centering 10 Card displays no visible defects

What the AI found

Flaws visible at the photo's resolution. A grader under magnification may find more. Marks on the photos show the area named, not an exact spot.

No defects listed at this photo resolution.

Corners

Front All four corners are sharp and factory-fresh with no visible whitening or fiber separation under 2x zoom.

Back No whitening or softening detected on the reverse side.

Edges

Front Factory-cut edges appear sharp with no silvering or nicks.

Back The back edges are fully intact with no chipping or wear.

Surface

Front The surface is pristine. The holographic pattern is uniform and the printed photograph is clear. No scratches or scuffs identified.

Back Clean surface with no print defects or scuffs.

Whitening

Front Zero perimeter whitening detected.

Back The perimeter of the back is completely free of fiber exposure.

Holo / foil

Front The refractor finish is uniform across the entire card surface. No foil scratching, dulling, or burn-in.

What this card sells for

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

Graded

—

No comparable graded sales

Raw, ungraded

$4.00

1 listing

Grading premium

—

Graded average over raw average

Estimate from eBay listings after removing bundles, wrong sets and outliers. Small samples move a lot. Muestra insuficiente (graded=11, validListings=1, mínimo=5). Rango estimado con baja confianza.

About this card

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

Market outlook

Stable Outlook 6/10

Base Chrome rookie cards typically hold a steady but modest market unless player performance or awards drive strong collector demand. The available price-guide data shows interest in refractor variants, which usually outpace base cards in price movement.[3]

Next months. Expect mostly stable pricing with small fluctuations based on grading pop reports, prospect buzz, and broader basketball market sentiment.

Long term. Over 1-3 years, the card could gain moderate value if Kon Knueppel develops into a high-profile NBA player, but base common copies will likely remain affordable relative to parallels and autographs.

History

Kon Knueppel is a real basketball player, not a fictional character. He emerged as one of the notable young American basketball prospects and is represented in Topps Chrome as a rookie-era card subject, which is significant because modern rookie Chrome cards often become the earliest widely collected mainstream cards for a player. In hobby terms, his base Topps Chrome card marks his entry into a flagship-style chromium rookie market, which is important for collectors tracking first mainstream releases.

The card appears to have first been released in 2025 Topps Chrome Basketball, with marketplace and price-guide listings identifying Kon Knueppel #254 as a base card in that set. Some listings and discussion reference the 2025-26 Topps Chrome Basketball line, but the card itself is indexed in hobby databases as 2025 Topps Chrome #254, indicating the first printed version is from the 2025 Topps Chrome Basketball release.[1][3][5]

  • Kon Knueppel #254 is cataloged as a base Topps Chrome basketball card and is treated as a rookie-card-era issue in hobby pricing guides.[3][5]
  • Topps Chrome rookie-era cards are typically among the most collected modern basketball issues because of their chromium finish, broad distribution, and parallel ecosystem.[1]
  • There has been hobby discussion about duplicate 1/1 'first cards' of Kon Knueppel in the broader Topps Chrome/flagship release environment, showing unusually high collector attention around his early Topps output.[2]

Rarity and print run

Tier
Common
Print run
Very High
First printed in
2025 Topps Chrome Basketball
Demand
Medium
Supply
Abundant
  • Base-card status
  • Wide Topps Chrome distribution
  • No serial numbering or special parallel designation

Collector notes

Condition. Check centering, surface scratches, print lines, corner whitening, and edge chipping, which are the most common issues on chromium cards. Chrome cards often show faint roller lines or surface streaking under angled light, so inspect carefully under bright lighting.

Storage. Use a penny sleeve plus a rigid top loader or card saver, and store in a cool, dry, low-light environment. For higher-value copies, consider magnetic holders or professional grading, and avoid excessive handling because chromium surfaces fingerprint easily.

Authenticity. Verify the card number, set name, and chrome finish against known checklist images and database records. Because Chrome cards are widely counterfeited in the hobby, compare font placement, gloss, and border alignment with authenticated examples; for high-grade or high-value copies, third-party grading is the safest authenticity check.

Sources: toywiz.com, youtube.com, sportscardinvestor.com, sportscardspro.com, cardladder.com

Card details

Name
Kon Knueppel
Game
Basketball
Set
Topps Chrome (254)
Number
254
Year
2025
Rarity
Common
Language
English
Manufacturer
Topps
Identification
Matched on eBay
Certificate
#ABA8993614A7
Graded on
Jun 1, 2026
Views
69

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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.