Bobby Knoop #506 1971 Topps Baseball — Card Value
1971 Topps BaseballWhat the Bobby Knoop #506 (1971 Topps Baseball) card is worth — ungraded vs graded.
Bobby Knoop #506 1971 Topps Baseball value — Ungraded $2 · Grade 9 $295 · PSA 10 $354. Prices updated June 2026.
Set · 1971 Topps BaseballNumber · #506
Live on eBay now
Value by grade
$2
Ungraded
147.5×
$295
Grade 9
177.0×
$354
PSA 10
Real sold prices per grade — the PSA 10 premium on this card is 177.0× raw.
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Item details
- Brand
- Baseball
- Set
- 1971 Topps Baseball
- Sport
- Baseball
- Number
- #506
Bobby Knoop #506 1971 Topps Baseball value
A raw (ungraded) Bobby Knoop #506 runs around $2, a Grade 9 about $295, and a PSA 10 commands $354.
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 | $2 | eBay sold comps |
| Grade 9 | $295 | eBay sold comps |
| PSA 10 | $354 | eBay sold comps |
Frequently asked questions
- What is the current market value for an ungraded Bobby Knoop #506?
- The ungraded version of the 1971 Topps Baseball #506 is currently valued at $2.
- How much is a graded PSA 10 of this card worth?
- A PSA 10 graded copy of the 1971 Topps Baseball #506 sells for $354.
- Is this a rare card in the 1971 Topps Baseball set?
- The card is part of the 1971 Topps Baseball set and is available in various conditions, from ungraded to PSA 10.
