Greg Brock #307 1989 Score Baseball — Card Value
1989 Score BaseballWhat the Greg Brock #307 (1989 Score Baseball) card is worth — ungraded vs graded.
Greg Brock #307 1989 Score Baseball value — Ungraded $1 · Grade 9 $19 · PSA 10 $86. Prices updated June 2026.
Set · 1989 Score BaseballNumber · #307
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Value by grade
$1
Ungraded
19.0×
$19
Grade 9
86.0×
$86
PSA 10
Real sold prices per grade — the PSA 10 premium on this card is 86.0× raw.
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Item details
- Brand
- Baseball
- Set
- 1989 Score Baseball
- Sport
- Baseball
- Number
- #307
Greg Brock #307 1989 Score Baseball value
A raw (ungraded) Greg Brock #307 runs around $1, a Grade 9 about $19, and a PSA 10 commands $86.
What drives the price
Grade, centering, rookie/star status, set scarcity, and print run drive sports-card value. PSA/BGS gem-mint copies and rookies of stars carry the biggest premiums; raw commons sell for little.
Price guide
Sold values by grade vs. what sellers ask today
| Condition | Value | Based on |
|---|---|---|
| Ungraded | $1 | eBay sold comps |
| Grade 9 | $19 | eBay sold comps |
| PSA 10 | $86 | eBay sold comps |
Frequently asked questions
- What is the starting price for an ungraded Greg Brock #307?
- The ungraded version of the 1989 Score Baseball Greg Brock #307 is available for a lower price point.
- How much is a PSA 10 version of this card worth?
- A graded PSA 10 copy of the 1989 Score Baseball Greg Brock #307 is valued at $86.
- Is there a difference in value between the ungraded and graded versions?
- Yes, the graded PSA 10 version is significantly more valuable than the ungraded copy, which starts at a lower price.
