Midpoint - Card Centering Tool
Astros Mgr. , Coaches #31 (Baseball Cards 1974 Topps) — is it worth grading?

Is Astros Mgr. , Coaches #31 worth grading?

Baseball · Baseball Cards 1974 Topps · full price guide →

Grading rarely pays for this card

Grade 9.5 copies of Astros Mgr. , Coaches #31 sell for $26.00, only $10.50 above the $15.50 raw price — less than an economy-tier grading fee. A PSA 9 ($23.56) only about breaks even after fees, so the case rests on gemming. Keep it raw unless you are grading for the slab itself.

Raw (NM)
$15.50
Grade 9.5
$26.00
PSA 9
$23.56
Gem premium
1.7×
As of
Jul 11, 2026

Break-even by outcome and fee

Astros Mgr. , Coaches #31: 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$26.00−$14.50−$39.50−$140
PSA 9$23.56−$16.94−$41.94−$142
PSA 8$17.62−$22.88−$47.88−$148

Net = sale price − $15.50 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?

Astros Mgr. , Coaches #31: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$24.17−$41.33
50%$24.78−$40.72
75%$25.39−$40.11

At the standard fee this submission does not break even at any realistic gem rate unless the miss lands above the 9 price.

Astros Mgr. , Coaches #31 graded prices by company and grade
GradeGraded
9.5$26.00
9$23.56
8$17.62

Run your own numbers

Should I pay this?

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

Other 1974 Topps cards worth checking

Full set checklist

Grading Astros Mgr. , Coaches #31 — FAQ

Is Astros Mgr. , Coaches #31 worth grading?

Grade 9.5 copies of Astros Mgr. , Coaches #31 sell for $26.00, only $10.50 above the $15.50 raw price — less than an economy-tier grading fee. A PSA 9 ($23.56) only about breaks even after fees, so the case rests on gemming. Keep it raw unless you are grading for the slab itself.

Is your baseball card centered well enough to grade?

Centering makes or breaks a PSA 10. Scan any card with Midpoint to measure its exact centering, get a grade estimate, and see what your copy is actually worth.

Check my card free