2021 Finest Flashbacks Base Set Ryan Mountcastle Gold Refractor #88
2021
See all Ryan Mountcastle cards & values$12.25est. value (ungraded)
Prices updated 2026-10-24
Based on recorded sold prices how we price cards
Ryan Mountcastle 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 2021 Finest Flashbacks Base Set Ryan Mountcastle Gold Refractor #88 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 | $12.25 | — |
Ryan Mountcastle prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $12.25 | Buy on eBay ↗ |
| PSA 9 | $17.17 | Buy on eBay ↗ |
| Grade 9.5 | $19.00 | Buy on eBay ↗ |
| PSA 10 | $28.33 | Buy on eBay ↗ |
| BGS 10 | $37.00 | Buy on eBay ↗ |
| CGC 10 | $11.00 | Buy on eBay ↗ |
| SGC 10 | $17.00 | Buy on eBay ↗ |
Live on eBay
Affiliate — we may earn a commission2021 Finest Flashbacks Base Set Ryan Mountcastle Gold Refractor #88 value & prices
The 2021 Finest Flashbacks Base Set Ryan Mountcastle Gold Refractor #88 is a Baseball card (Gold Refractor parallel) released in 2021. Ungraded copies carry a market value of about $12.25.
An ungraded copy is worth around $12.25, a PSA 9 around $17.17, a PSA 10 (Gem Mint) around $28.33 and a pristine BGS 10 around $37.00. The gem-mint premium is modest (about 2.3× raw), so condition matters here but doesn't completely define the price.
Is it worth grading?
The spread between raw ($12.25) and top-graded ($28.33) 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.
