Bob Knepper #589 1978 Topps Baseball — Card Value
1978 Topps BaseballWhat the Bob Knepper #589 (1978 Topps Baseball) card is worth — ungraded vs graded.
Bob Knepper #589 1978 Topps Baseball value — Ungraded $1 · Grade 9 $20 · PSA 10 $157. Prices updated July 2026.
Set · 1978 Topps BaseballNumber · #589
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Value by grade
$1
Ungraded
20.0×
$20
Grade 9
157.0×
$157
PSA 10
Real sold prices per grade — the PSA 10 premium on this card is 157.0× raw.
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Item details
- Brand
- Baseball
- Set
- 1978 Topps Baseball
- Sport
- Baseball
- Number
- #589
Bob Knepper #589 1978 Topps Baseball value
A raw (ungraded) Bob Knepper #589 runs around $1, a Grade 9 about $20, and a PSA 10 commands $157.
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 | $20 | eBay sold comps |
| PSA 10 | $157 | eBay sold comps |
Frequently asked questions
- What is the value difference between an ungraded and a graded version?
- An ungraded copy is listed starting at $1, whereas a PSA 10 version of this card sells for $157.
- Is this card common or rare in the 1978 Topps set?
- The provided facts do not specify the rarity, but the pricing reflects different conditions within the 1978 Topps Baseball set.
- What is the highest listed price for this specific card?
- The highest listed price for the Bob Knepper #589 in this set is $157 for a PSA 10 grade.
