2026 Donruss Diamond Marvels Marcelo Mayer Green Xplosion #20
2026
See all Marcelo Mayer cards & valuesUncommon
$5.50est. value (ungraded)
Prices updated 2026-10-24
Based on recorded sold prices how we price cards
Card number
#20
Year
2026
Parallel / variant
Green Xplosion
Price by month
Average price of the 2026 Donruss Diamond Marvels Marcelo Mayer Green Xplosion #20 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
$5.50
Recorded low
$5.50
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $5.50 | — |
Marcelo Mayer prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $5.50 | Buy on eBay ↗ |
| PSA 8 | $9.96 | Buy on eBay ↗ |
| PSA 9 | $18.61 | Buy on eBay ↗ |
| Grade 9.5 | $36.30 | Buy on eBay ↗ |
| PSA 10 | $54.73 | Buy on eBay ↗ |
| BGS 10 | $71.00 | Buy on eBay ↗ |
| CGC 10 | $22.00 | Buy on eBay ↗ |
| SGC 10 | $33.00 | Buy on eBay ↗ |
Other versions of this Marcelo Mayer card
10 versions, each priced on its own. Most valuable first.
Live on eBay
Affiliate — we may earn a commission2026 Donruss Diamond Marvels Marcelo Mayer Green Xplosion #20 value & prices
The 2026 Donruss Diamond Marvels Marcelo Mayer Green Xplosion #20 is a Baseball card (Green Xplosion parallel) released in 2026. Ungraded copies carry a market value of about $5.50.
An ungraded copy is worth around $5.50, a PSA 9 around $18.61, a PSA 10 (Gem Mint) around $54.73 and a pristine BGS 10 around $71.00. That's roughly a 10.0× 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 ($5.50) and top-graded ($54.73) 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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Marcelo Mayer2026 Donruss Diamond Marvels2026Baseball cardsGreen XplosionPSA 10BGS 10card valueprice guide