Cal Koonce #521 1970 Topps Baseball — Card Value
1970 Topps BaseballWhat the Cal Koonce #521 (1970 Topps Baseball) card is worth — ungraded vs graded.
Cal Koonce #521 1970 Topps Baseball value — Ungraded $1 · Grade 9 $60 · PSA 10 $186. Prices updated July 2026.
Set · 1970 Topps BaseballNumber · #521
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Value by grade
$1
Ungraded
60.0×
$60
Grade 9
186.0×
$186
PSA 10
Real sold prices per grade — the PSA 10 premium on this card is 186.0× raw.
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Item details
- Brand
- Baseball
- Set
- 1970 Topps Baseball
- Sport
- Baseball
- Number
- #521
Cal Koonce #521 1970 Topps Baseball value
A raw (ungraded) Cal Koonce #521 runs around $1, a Grade 9 about $60, and a PSA 10 commands $186.
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 | $60 | eBay sold comps |
| PSA 10 | $186 | eBay sold comps |
Frequently asked questions
- What is the starting resale value for an ungraded Cal Koonce #521?
- The ungraded version of the 1970 Topps Cal Koonce #521 is available for a starting price.
- How much more is a PSA 10 worth compared to an ungraded card?
- A PSA 10 copy of this 1970 Topps Baseball card is listed at $186, compared to the ungraded price.
- Is there a specific grade listed for this baseball card?
- Yes, the card is available in multiple conditions, including Grade 9 for $60 and PSA 10 for $186.
