2018 Topps National Baseball Card Day Joe Mauer #9
2018
See all Joe Mauer cards & values2018 seasonMinnesota TwinsJoe Mauer career & card values
$1.42est. value (ungraded)
Prices updated 2026-10-24
Based on recorded sold prices how we price cards
Joe Mauer price history
PSA 10 market value, one reading a day. One-day spikes that reverse the next day are left out.
Price by month
Average price of the 2018 Topps National Baseball Card Day Joe Mauer #9 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.
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $1.42 | — |
Joe Mauer prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $1.42 | Buy on eBay ↗ |
| PSA 10 | $34.99 | Buy on eBay ↗ |
| BGS 10 | $45.00 | Buy on eBay ↗ |
| CGC 10 | $14.00 | Buy on eBay ↗ |
| SGC 10 | $21.00 | Buy on eBay ↗ |
Live on eBay
Affiliate — we may earn a commission2018 Topps National Baseball Card Day Joe Mauer #9 value & prices
The 2018 Topps National Baseball Card Day Joe Mauer #9 is a Baseball card released in 2018. Ungraded copies carry a market value of about $1.42.
An ungraded copy is worth around $1.42, a PSA 10 (Gem Mint) around $34.99 and a pristine BGS 10 around $45.00. That's roughly a 25× 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 ($1.42) and top-graded ($34.99) 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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