2015 Panini Diamond Kings Buster Posey #21
2015
See all Buster Posey cards & values2015 seasonSan Francisco GiantsBuster Posey career & card values
Common
$1.75est. value (ungraded)
Prices updated 2026-10-22
Based on recorded sold prices how we price cards
Card number
#21
Year
2015
Price by month
Average price of the 2015 Panini Diamond Kings Buster Posey #21 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.
Recorded high
$1.75
Recorded low
$1.75
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $1.75 | — |
Buster Posey prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $1.75 | Buy on eBay ↗ |
| PSA 8 | $6.43 | Buy on eBay ↗ |
| PSA 9 | $11.85 | Buy on eBay ↗ |
| Grade 9.5 | $22.44 | Buy on eBay ↗ |
| PSA 10 | $33.06 | Buy on eBay ↗ |
| BGS 10 | $43.00 | Buy on eBay ↗ |
| CGC 10 | $20.00 | Buy on eBay ↗ |
| SGC 10 | $20.00 | Buy on eBay ↗ |
Buster Posey parallels
3 versions, each priced on its own. Most valuable first.
Live on eBay
Affiliate — we may earn a commission2015 Panini Diamond Kings Buster Posey #21 value & prices
The 2015 Panini Diamond Kings Buster Posey #21 is a Baseball card released in 2015. Ungraded copies carry a market value of about $1.75.
An ungraded copy is worth around $1.75, a PSA 9 around $11.85, a PSA 10 (Gem Mint) around $33.06 and a pristine BGS 10 around $43.00. That's roughly a 19× 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 ($1.75) and top-graded ($33.06) 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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