2008 Upper Deck Masterpieces Stroke of Genius Signature Jack Cust #SG-JC
2008
See all Jack Cust cards & values$4.85est. value (ungraded)
Prices updated 2026-10-22
Based on recorded sold prices how we price cards
Price by month
Average price of the 2008 Upper Deck Masterpieces Stroke of Genius Signature Jack Cust #SG-JC 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 | $4.85 | — |
Jack Cust prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $4.85 | Buy on eBay ↗ |
| PSA 8 | $8.20 | Buy on eBay ↗ |
| PSA 9 | $15.00 | Buy on eBay ↗ |
| Grade 9.5 | $26.80 | Buy on eBay ↗ |
| PSA 10 | $49.56 | Buy on eBay ↗ |
| BGS 10 | $64.00 | 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 commission2008 Upper Deck Masterpieces Stroke of Genius Signature Jack Cust #SG-JC value & prices
The 2008 Upper Deck Masterpieces Stroke of Genius Signature Jack Cust #SG-JC is a Baseball card released in 2008. Ungraded copies carry a market value of about $4.85.
An ungraded copy is worth around $4.85, a PSA 9 around $15.00, a PSA 10 (Gem Mint) around $49.56 and a pristine BGS 10 around $64.00. That's roughly a 10× 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 ($4.85) and top-graded ($49.56) 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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