1999 Stadium Club Triumvirate Mark McGwire Luminous #T5C
1999
See all Mark McGwire cards & values1999 seasonSt. Louis CardinalsMark McGwire career & card values
$8.59est. value (ungraded)
Prices updated 2026-10-22
Based on recorded sold prices how we price cards
Price by month
Average price of the 1999 Stadium Club Triumvirate Mark McGwire Luminous #T5C 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 | $8.59 | — |
Mark McGwire prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $8.59 | Buy on eBay ↗ |
| PSA 8 | $19.60 | Buy on eBay ↗ |
| PSA 9 | $21.00 | Buy on eBay ↗ |
| Grade 9.5 | $35.00 | Buy on eBay ↗ |
| PSA 10 | $36.00 | Buy on eBay ↗ |
| BGS 10 | $47.00 | Buy on eBay ↗ |
| CGC 10 | $22.00 | Buy on eBay ↗ |
| SGC 10 | $22.00 | Buy on eBay ↗ |
Live on eBay
Affiliate — we may earn a commission1999 Stadium Club Triumvirate Mark McGwire Luminous #T5C value & prices
The 1999 Stadium Club Triumvirate Mark McGwire Luminous #T5C is a Baseball card (Luminous parallel) released in 1999. Ungraded copies carry a market value of about $8.59.
An ungraded copy is worth around $8.59, a PSA 9 around $21.00, a PSA 10 (Gem Mint) around $36.00 and a pristine BGS 10 around $47.00. That's roughly a 4.2× 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 ($8.59) and top-graded ($36.00) 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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