2001 SP Authentic Mark McGwire #51
2001
See all Mark McGwire cards & values2001 seasonSt. Louis CardinalsMark McGwire career & card values
$1.64est. value (ungraded)
Prices updated 2026-10-22
Based on recorded sold prices how we price cards
Price by month
Average price of the 2001 SP Authentic Mark McGwire #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 | $1.64 | — |
Mark McGwire prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $1.64 | Buy on eBay ↗ |
| PSA 7 | $6.00 | Buy on eBay ↗ |
| PSA 8 | $7.83 | Buy on eBay ↗ |
| PSA 9 | $15.38 | Buy on eBay ↗ |
| Grade 9.5 | $19.99 | Buy on eBay ↗ |
| PSA 10 | $24.99 | Buy on eBay ↗ |
| BGS 10 | $32.00 | Buy on eBay ↗ |
| CGC 10 | $15.00 | Buy on eBay ↗ |
| SGC 10 | $15.00 | Buy on eBay ↗ |
Live on eBay
Affiliate — we may earn a commission2001 SP Authentic Mark McGwire #51 value & prices
The 2001 SP Authentic Mark McGwire #51 is a Baseball card released in 2001. Ungraded copies carry a market value of about $1.64.
An ungraded copy is worth around $1.64, a PSA 9 around $15.38, a PSA 10 (Gem Mint) around $24.99 and a pristine BGS 10 around $32.00. That's roughly a 15× 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 ($1.64) and top-graded ($24.99) 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.
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