1975 Kellogg's Ken Singleton #40
1975
See all Ken Singleton cards & values$4.09est. value (ungraded)
Prices updated 2026-10-22
Based on recorded sold prices how we price cards
Price by month
Average price of the 1975 Kellogg's Ken Singleton #40 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 | $4.09 | — |
Ken Singleton prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $4.09 | Buy on eBay ↗ |
| PSA 8 | $9.99 | Buy on eBay ↗ |
| PSA 9 | $15.49 | Buy on eBay ↗ |
| Grade 9.5 | $49.00 | Buy on eBay ↗ |
| PSA 10 | $49.99 | Buy on eBay ↗ |
| BGS 10 | $65.00 | Buy on eBay ↗ |
| CGC 10 | $30.00 | Buy on eBay ↗ |
| SGC 10 | $30.00 | Buy on eBay ↗ |
Live on eBay
Affiliate — we may earn a commission1975 Kellogg's Ken Singleton #40 value & prices
The 1975 Kellogg's Ken Singleton #40 is a Baseball card released in 1975. Ungraded copies carry a market value of about $4.09.
An ungraded copy is worth around $4.09, a PSA 9 around $15.49, a PSA 10 (Gem Mint) around $49.99 and a pristine BGS 10 around $65.00. That's roughly a 12× 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?
The spread between raw ($4.09) and top-graded ($49.99) copies is fairly tight, so grading this card only makes financial sense for truly flawless copies — or for collectors who simply prefer slabbed cards for protection and display.