Is Kon Knueppel [Refractor Aqua] #GR-4 worth grading?

Basketball · Basketball Cards 2025 Topps Chrome Generation Rising · full price guide →

Worth grading — even a PSA 9 beats raw

A PSA 10 Kon Knueppel [Refractor Aqua] #GR-4 sells for $289 against $87.81 raw: a $201 spread, 3.3× the ungraded price. Even a PSA 9 ($122) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.

Raw (NM): $87.81
PSA 10: $289
PSA 9: $122
Gem premium: 3.3×
As of: Sep 4, 2026

Break-even by outcome and fee

Kon Knueppel [Refractor Aqua] #GR-4: net result of grading versus selling raw, by outcome and fee tier
If it comes back…	Sells for	Economy / bulk (~$25.00)	Standard (~$50.00)	Express (~$150)
Gem — PSA 10	$289	+$176	+$151	+$51.19
PSA 9	$122	+$8.69	−$16.31	−$116
PSA 8	$65.85	−$46.96	−$71.96	−$172

Net = sale price − $87.81 raw value − fee. Fee tiers are illustrative; plug your grader's current price into the calculator below.

Expected value — how often does it need to gem?

Kon Knueppel [Refractor Aqua] #GR-4: expected value of submitting by gem probability
Chance it gems	Expected sale	Expected net (standard fee)
25%	$163	+$25.56
50%	$205	+$67.44
75%	$247	+$109

Break-even gem rate at the standard fee: about 10%. Centering is the usual reason a clean copy misses — measure it before you decide.

Which grader pays the most — and what a 10 takes

All centering standards →

Kon Knueppel [Refractor Aqua] #GR-4: top-grade value by grading company with centering tolerance
Grader	10 sells for	vs best	Front centering for a 10	Back
BGS 10	$376	best	55/45	70/30
PSA 10	$289	−$87.00	55/45	75/25
CGC 10	$173	−$203	55/45	75/25
SGC 10	$173	−$203	55/45	75/25

Tolerances are each company's published centering standard for its top grade; surface, corners and edges must also be clean. Centering is the one you can measure yourself before you pay.

Full grade ladder

Raw conditions & history →

Kon Knueppel [Refractor Aqua] #GR-4 graded prices by company and grade
Grade	PSA	CGC	BGS	SGC	Graded
10	$289	$173	$376	$173	—
9.5	—	—	—	—	$239
9	—	—	—	—	$122
8	—	—	—	—	$65.85

Swipe the table for the other grading companies →

Run your own numbers

Should I pay this?

Asking priceGrading fee

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Grading Kon Knueppel [Refractor Aqua] #GR-4 — FAQ

Is Kon Knueppel [Refractor Aqua] #GR-4 worth grading?

How much is a PSA 10 Kon Knueppel [Refractor Aqua] #GR-4 worth compared with raw?

A PSA 10 Kon Knueppel [Refractor Aqua] #GR-4 (Basketball Cards 2025 Topps Chrome Generation Rising) sells for about $289 versus $87.81 for a raw near-mint copy — a 3.3× premium as of Sep 4, 2026.

Which grading company is best for Kon Knueppel [Refractor Aqua] #GR-4?

By resale value, BGS 10 leads at $376, ahead of PSA 10 at $289. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Kon Knueppel [Refractor Aqua] #GR-4 need for a BGS 10?

BGS publishes 55/45 front and 70/30 back centering as the tolerance for a 10 (Gem Mint). Off-center copies are capped below the top grade regardless of surface — measure yours before paying the fee.

What gem rate makes grading Kon Knueppel [Refractor Aqua] #GR-4 break even?

At a standard ~$50 fee, submitting Kon Knueppel [Refractor Aqua] #GR-4 breaks even when it gems about 10% of the time (a miss assumed to sell at the PSA 9 price of $122).

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