Set
1998 ToppsCard number
#307
Year
1998
Parallel / variant
Diamondbacks Inaugural
Sammy Sosa prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $1.25 | Buy on eBay ↗ |
| PSA 9 | $1.25 | Buy on eBay ↗ |
| Grade 9.5 | $1.00 | Buy on eBay ↗ |
| PSA 10 | $26.66 | Buy on eBay ↗ |
| BGS 10 | $35.00 | Buy on eBay ↗ |
| CGC 10 | $16.00 | Buy on eBay ↗ |
| SGC 10 | $16.00 | Buy on eBay ↗ |
Live on eBay
Affiliate — we may earn a commission1998 Topps Sammy Sosa Diamondbacks Inaugural #307 value & prices
The 1998 Topps Sammy Sosa Diamondbacks Inaugural #307 is a Baseball card (Diamondbacks Inaugural parallel) released in 1998. Ungraded copies carry a market value of about $1.25.
An ungraded copy is worth around $1.25, a PSA 9 around $1.25, a PSA 10 (Gem Mint) around $26.66 and a pristine BGS 10 around $35.00. That's roughly a 21× 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 ($1.25) and top-graded ($26.66) 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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