Is Kon Knueppel [Purple Lava Refractor] #48 worth grading?

Basketball · Basketball Cards 2024 Bowman Chrome University · full price guide →

Worth grading — even a PSA 9 beats raw

A PSA 10 Kon Knueppel [Purple Lava Refractor] #48 sells for $83.00 against $9.75 raw: a $73.25 spread, 8.5× the ungraded price. Even a PSA 9 ($39.99) 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): $9.75
PSA 10: $83.00
PSA 9: $39.99
Gem premium: 8.5×
As of: Sep 4, 2026

Break-even by outcome and fee

Kon Knueppel [Purple Lava Refractor] #48: 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	$83.00	+$48.25	+$23.25	−$76.75
PSA 9	$39.99	+$5.24	−$19.76	−$120
PSA 8	$8.42	−$26.33	−$51.33	−$151

Net = sale price − $9.75 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 [Purple Lava Refractor] #48: expected value of submitting by gem probability
Chance it gems	Expected sale	Expected net (standard fee)
25%	$50.74	−$9.01
50%	$61.50	+$1.75
75%	$72.25	+$12.50

Break-even gem rate at the standard fee: about 46%. 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 [Purple Lava Refractor] #48: top-grade value by grading company with centering tolerance
Grader	10 sells for	vs best	Front centering for a 10	Back
BGS 10	$108	best	55/45	70/30
PSA 10	$83.00	−$25.00	55/45	75/25
CGC 10	$50.00	−$58.00	55/45	75/25
SGC 10	$48.36	−$59.64	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 [Purple Lava Refractor] #48 graded prices by company and grade
Grade	PSA	CGC	BGS	SGC	Graded
10	$83.00	$50.00	$108	$48.36	—
9.5	—	—	—	—	$50.03
9	—	—	—	—	$39.99
8	—	—	—	—	$8.42

Swipe the table for the other grading companies →

Run your own numbers

Should I pay this?

Asking priceGrading fee

Enter the seller’s asking price to see your net outcome per grade.

Other 2024 Bowman Chrome University cards worth checking

Full set checklist →

$Cooper Flagg [Black Refractor] #16 2024 Bowman Chrome University card$

Cooper Flagg [Black Refractor] #16

Raw $55.54PSA 10 $2,262

$Cooper Flagg [Blue Shimmer Refractor] #16 2024 Bowman Chrome University card$

Cooper Flagg [Blue Shimmer Refractor] #16

Raw $525PSA 10 $2,700

$Cooper Flagg [Red Wave Refractor Autograph] #16 2024 Bowman Chrome University card$

Cooper Flagg [Red Wave Refractor Autograph] #16

Raw $2,905PSA 10 $10,684

$Cooper Flagg [Gold Refractor Autograph] #16 2024 Bowman Chrome University card$

Cooper Flagg [Gold Refractor Autograph] #16

Raw $2,002PSA 10 $4,395

$Juju Watkins [Red Refractor Autograph] #37 2024 Bowman Chrome University card$

Juju Watkins [Red Refractor Autograph] #37

Raw $3,000PSA 10 $5,500

$Cooper Flagg [Reptilian Orange Refractor Autograph] #16 2024 Bowman Chrome University card$

Cooper Flagg [Reptilian Orange Refractor Autograph] #16

Raw $2,101PSA 10 $3,652

Grading Kon Knueppel [Purple Lava Refractor] #48 — FAQ

Is Kon Knueppel [Purple Lava Refractor] #48 worth grading?

How much is a PSA 10 Kon Knueppel [Purple Lava Refractor] #48 worth compared with raw?

A PSA 10 Kon Knueppel [Purple Lava Refractor] #48 (Basketball Cards 2024 Bowman Chrome University) sells for about $83.00 versus $9.75 for a raw near-mint copy — a 8.5× premium as of Sep 4, 2026.

Which grading company is best for Kon Knueppel [Purple Lava Refractor] #48?

By resale value, BGS 10 leads at $108, ahead of PSA 10 at $83.00. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Kon Knueppel [Purple Lava Refractor] #48 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 [Purple Lava Refractor] #48 break even?

At a standard ~$50 fee, submitting Kon Knueppel [Purple Lava Refractor] #48 breaks even when it gems about 46% of the time (a miss assumed to sell at the PSA 9 price of $39.99).

Best on iPhone & Android

Check your basketball card in the Midpoint app

Scan with your camera to measure centering to the millimeter, get an AI grade with corner and edge close-ups, see what your copy is worth, and track it in your portfolio. Free to start.

Or try it on the web →