Is Bob Pettit [1957] #18 worth grading?

Basketball · Basketball Cards 2007 Topps Chrome · full price guide →

Strong grading candidate — 13× premium in PSA 10

A PSA 10 Bob Pettit [1957] #18 sells for $66.36 against $5.09 raw: a $61.27 spread, 13× the ungraded price. A PSA 9 ($19.15) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.

Raw (NM): $5.09
PSA 10: $66.36
PSA 9: $19.15
Gem premium: 13×
As of: Sep 2, 2026

Break-even by outcome and fee

Bob Pettit [1957] #18: 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	$66.36	+$36.27	+$11.27	−$88.73
PSA 9	$19.15	−$10.94	−$35.94	−$136
PSA 8	$10.81	−$19.28	−$44.28	−$144

Net = sale price − $5.09 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?

Bob Pettit [1957] #18: expected value of submitting by gem probability
Chance it gems	Expected sale	Expected net (standard fee)
25%	$30.95	−$24.14
50%	$42.75	−$12.34
75%	$54.56	−$0.53

Break-even gem rate at the standard fee: about 76%. 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 →

Bob Pettit [1957] #18: top-grade value by grading company with centering tolerance
Grader	10 sells for	vs best	Front centering for a 10	Back
BGS 10	$86.00	best	55/45	70/30
PSA 10	$66.36	−$19.64	55/45	75/25
CGC 10	$40.00	−$46.00	55/45	75/25
SGC 10	$40.00	−$46.00	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 →

Bob Pettit [1957] #18 graded prices by company and grade
Grade	PSA	CGC	BGS	SGC	Graded
10	$66.36	$40.00	$86.00	$40.00	—
9.5	—	—	—	—	$32.49
9	—	—	—	—	$19.15
8	—	—	—	—	$10.81

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 2007 Topps Chrome cards worth checking

Full set checklist →

$LeBron James [Orange Refractor] #23 2007 Topps Chrome card$

LeBron James [Orange Refractor] #23

Raw $900PSA 10 $24,500

$Kobe Bryant [Refractor] #24 2007 Topps Chrome card$

Kobe Bryant [Refractor] #24

Raw $600PSA 10 $11,600

$LeBron James [Refractor] #23 2007 Topps Chrome card$

LeBron James [Refractor] #23

Raw $937PSA 10 $10,714

$Kevin Durant [Refractor] #131 2007 Topps Chrome card$

Kevin Durant [Refractor] #131

Raw $1,125PSA 10 $5,008

$LeBron James [White Refractor] #23 2007 Topps Chrome card$

LeBron James [White Refractor] #23

Raw $2,325PSA 10 $9,100

$LeBron James [1957 White Refractor] #23 2007 Topps Chrome card$

LeBron James [1957 White Refractor] #23

Raw $1,625PSA 10 $3,070

Grading Bob Pettit [1957] #18 — FAQ

Is Bob Pettit [1957] #18 worth grading?

How much is a PSA 10 Bob Pettit [1957] #18 worth compared with raw?

A PSA 10 Bob Pettit [1957] #18 (Basketball Cards 2007 Topps Chrome) sells for about $66.36 versus $5.09 for a raw near-mint copy — a 13× premium as of Sep 2, 2026.

Which grading company is best for Bob Pettit [1957] #18?

By resale value, BGS 10 leads at $86.00, ahead of PSA 10 at $66.36. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Bob Pettit [1957] #18 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 Bob Pettit [1957] #18 break even?

At a standard ~$50 fee, submitting Bob Pettit [1957] #18 breaks even when it gems about 76% of the time (a miss assumed to sell at the PSA 9 price of $19.15).

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 →