2021 Finest Flashbacks Base Set Ryan Mountcastle Black Refractor #88
2021
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$36.49est. value (ungraded)
Prices updated 2026-10-23
Based on recorded sold prices how we price cards
Card number
#88
Year
2021
Parallel / variant
Black Refractor
Price by month
Average price of the 2021 Finest Flashbacks Base Set Ryan Mountcastle Black 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.
Recorded high
$36.49
Recorded low
$36.49
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $36.49 | — |
Ryan Mountcastle prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $36.49 | Buy on eBay ↗ |
| PSA 7 | $25.00 | Buy on eBay ↗ |
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Affiliate — we may earn a commission2021 Finest Flashbacks Base Set Ryan Mountcastle Black Refractor #88 value & prices
The 2021 Finest Flashbacks Base Set Ryan Mountcastle Black Refractor #88 is a Baseball card (Black Refractor parallel) released in 2021. Ungraded copies carry a market value of about $36.49.
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Ryan Mountcastle2021 Finest Flashbacks Base Set2021Baseball cardsBlack Refractorcard valueprice guide