Set
1991 StudioCard number
#23
Year
1991
Bert Blyleven prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $1.41 | Buy on eBay ↗ |
| PSA 9 | $5.33 | Buy on eBay ↗ |
| Grade 9.5 | $6.00 | Buy on eBay ↗ |
| PSA 10 | $33.47 | Buy on eBay ↗ |
| BGS 10 | $44.00 | Buy on eBay ↗ |
| CGC 10 | $20.00 | Buy on eBay ↗ |
| SGC 10 | $20.00 | Buy on eBay ↗ |
Live on eBay
Affiliate — we may earn a commission1991 Studio Bert Blyleven #23 value & prices
The 1991 Studio Bert Blyleven #23 is a Baseball card released in 1991. Ungraded copies carry a market value of about $1.41.
An ungraded copy is worth around $1.41, a PSA 9 around $5.33, a PSA 10 (Gem Mint) around $33.47 and a pristine BGS 10 around $44.00. That's roughly a 24× 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 ($1.41) and top-graded ($33.47) 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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