Is Don Mattingly #1 worth grading?
Baseball · Baseball Cards 1988 Donruss Baseball's Best · full price guide →
Worth grading — even a PSA 9 beats raw
A PSA 10 Don Mattingly #1 sells for $90.13 against $1.44 raw: a $88.69 spread, 63× the ungraded price. Even a PSA 9 ($45.70) 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)
- $1.44
- PSA 10
- $90.13
- PSA 9
- $45.70
- Gem premium
- 63×
- As of
- Sep 4, 2026
Break-even by outcome and fee
| If it comes back… | Sells for | Economy / bulk (~$25.00) | Standard (~$50.00) | Express (~$150) |
|---|---|---|---|---|
| Gem — PSA 10 | $90.13 | +$63.69 | +$38.69 | −$61.31 |
| PSA 9 | $45.70 | +$19.26 | −$5.74 | −$106 |
| PSA 8 | $9.95 | −$16.49 | −$41.49 | −$141 |
Net = sale price − $1.44 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?
| Chance it gems | Expected sale | Expected net (standard fee) |
|---|---|---|
| 25% | $56.81 | +$5.37 |
| 50% | $67.91 | +$16.47 |
| 75% | $79.02 | +$27.58 |
Break-even gem rate at the standard fee: about 13%. 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 →| Grader | 10 sells for | vs best | Front centering for a 10 | Back |
|---|---|---|---|---|
| BGS 10 | $117 | best | 55/45 | 70/30 |
| PSA 10 | $90.13 | −$26.87 | 55/45 | 75/25 |
| CGC 10 | $54.00 | −$63.00 | 55/45 | 75/25 |
| SGC 10 | $54.00 | −$63.00 | 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 →Swipe the table for the other grading companies →
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other 1988 Donruss Baseball's Best cards worth checking
Full set checklist →
Grading Don Mattingly #1 — FAQ
Is Don Mattingly #1 worth grading?
A PSA 10 Don Mattingly #1 sells for $90.13 against $1.44 raw: a $88.69 spread, 63× the ungraded price. Even a PSA 9 ($45.70) 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.
How much is a PSA 10 Don Mattingly #1 worth compared with raw?
A PSA 10 Don Mattingly #1 (Baseball Cards 1988 Donruss Baseball's Best) sells for about $90.13 versus $1.44 for a raw near-mint copy — a 63× premium as of Sep 4, 2026.
Which grading company is best for Don Mattingly #1?
By resale value, BGS 10 leads at $117, ahead of PSA 10 at $90.13. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Don Mattingly #1 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 Don Mattingly #1 break even?
At a standard ~$50 fee, submitting Don Mattingly #1 breaks even when it gems about 13% of the time (a miss assumed to sell at the PSA 9 price of $45.70).
Best on iPhone & Android
Check your baseball 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.
