2025-26 Upper Deck Black Diamond Rookie Gems Signatures Michael Callahan #RGS-MC
$2.98est. value (ungraded)
Prices updated 2026-08-18
Based on recorded sold prices how we price cards
Pricing data via SportsCardsPro ↗Michael Callahan price history
Recent recorded prices
2 recorded price points for the 2025-26 Upper Deck Black Diamond Rookie Gems Signatures Michael Callahan #RGS-MC from our sales and market data.
| Date | Source | Price |
|---|---|---|
| Aug 18, 2026 | Ebay Market | $17.50 |
| Aug 17, 2026 | SportsCardsPro | $2.98 |
Michael Callahan prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $2.98 | Buy on eBay ↗ |
| PSA 8 | $8.48 | Buy on eBay ↗ |
| PSA 9 | $15.95 | Buy on eBay ↗ |
| Grade 9.5 | $31.19 | Buy on eBay ↗ |
| PSA 10 | $46.48 | Buy on eBay ↗ |
| BGS 10 | $60.00 | Buy on eBay ↗ |
| CGC 10 | $28.00 | Buy on eBay ↗ |
| SGC 10 | $28.00 | Buy on eBay ↗ |
Live on eBay
Affiliate — we may earn a commission2025-26 Upper Deck Black Diamond Rookie Gems Signatures Michael Callahan #RGS-MC value & prices
The 2025-26 Upper Deck Black Diamond Rookie Gems Signatures Michael Callahan #RGS-MC is a Hockey card. Ungraded copies carry a market value of about $2.98.
An ungraded copy is worth around $2.98, a PSA 9 around $15.95, a PSA 10 (Gem Mint) around $46.48 and a pristine BGS 10 around $60.00. That's roughly a 16× 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 ($2.98) and top-graded ($46.48) 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.
More from 2025-26 Upper Deck Black Diamond Rookie Gems Signatures
Other Michael Callahan cards
