1971 Kellogg's Bob Gibson #51
1971
See all Bob Gibson cards & values1971 seasonSt. Louis CardinalsBob Gibson career & card values
$10.87est. value (ungraded)
Prices updated 2026-10-22
Based on recorded sold prices how we price cards
Price by month
Average price of the 1971 Kellogg's Bob Gibson #51 each month, from 1 recorded price reading. Prices are re-checked regularly; a month's average counts each day from that month's first reading at the price that held that day.
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $10.87 | — |
Bob Gibson prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $10.87 | Buy on eBay ↗ |
| PSA 7 | $52.50 | Buy on eBay ↗ |
| PSA 8 | $152.94 | Buy on eBay ↗ |
| PSA 9 | $175.43 | Buy on eBay ↗ |
| Grade 9.5 | $355.85 | Buy on eBay ↗ |
| PSA 10 | $1,271.46 | Buy on eBay ↗ |
| BGS 10 | $1,653.00 | Buy on eBay ↗ |
| CGC 10 | $763.00 | Buy on eBay ↗ |
| SGC 10 | $763.00 | Buy on eBay ↗ |
Live on eBay
Affiliate — we may earn a commission1971 Kellogg's Bob Gibson #51 value & prices
The 1971 Kellogg's Bob Gibson #51 is a Baseball card released in 1971. Ungraded copies carry a market value of about $10.87.
An ungraded copy is worth around $10.87, a PSA 9 around $175.43, a PSA 10 (Gem Mint) around $1,271.46, a pristine BGS 10 around $1 and653.00. That's roughly a 117× premium for a gem-mint copy over raw — one of the clearest signals that condition-sensitive buyers dominate this card's market.
Is it worth grading?
With raw copies near $10.87 and top grades reaching $1,271.46, grading a sharp copy of this card can clearly pay for itself — the spread comfortably covers a typical ~$25.00 grading fee. The catch: only submit copies with strong centering, clean corners, and unmarked surfaces, because anything below a 9 usually erases the math.
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