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Tony Gwynn #TG (Baseball Cards 1998 SP Authentic Chirography) — is it worth grading?

Is Tony Gwynn #TG worth grading?

Baseball · Baseball Cards 1998 SP Authentic Chirography · full price guide →

Worth grading only if it gems

A Grade 9.5 Tony Gwynn #TG brings $402 versus $347 raw — a $54.95 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($230) sells for less than raw, so anything short of a 10 loses money.

Raw (NM)
$347
Grade 9.5
$402
PSA 9
$230
Gem premium
1.2×
As of
Sep 4, 2026

Break-even by outcome and fee

Tony Gwynn #TG: net result of grading versus selling raw, by outcome and fee tier
If it comes back…Sells forEconomy / bulk (~$25.00)Standard (~$50.00)Express (~$150)
Gem — Grade 9.5$402+$29.95+$4.95−$95.05
PSA 9$230−$143−$168−$268

Net = sale price − $347 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?

Tony Gwynn #TG: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$273−$124
50%$316−$81.30
75%$359−$38.18

Break-even gem rate at the standard fee: about 97%. Centering is the usual reason a clean copy misses — measure it before you decide.

Tony Gwynn #TG graded prices by company and grade
GradeGraded
9.5$402
9$230

Run your own numbers

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Other 1998 SP Authentic Chirography cards worth checking

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Grading Tony Gwynn #TG — FAQ

Is Tony Gwynn #TG worth grading?

A Grade 9.5 Tony Gwynn #TG brings $402 versus $347 raw — a $54.95 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($230) sells for less than raw, so anything short of a 10 loses money.

What gem rate makes grading Tony Gwynn #TG break even?

At a standard ~$50 fee, submitting Tony Gwynn #TG breaks even when it gems about 97% of the time (a miss assumed to sell at the PSA 9 price of $230).

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