2017 Bowman's Best Top Prospects Brendan McKay Refractor #TP-21
2017
See all Brendan McKay cards & values2017 seasonLouisville Cardinals baseballBrendan McKay career & card values
Common
$0.99est. value (ungraded)
Prices updated 2026-10-22
Based on recorded sold prices how we price cards
Card number
#TP-21
Year
2017
Parallel / variant
Refractor
Price by month
Average price of the 2017 Bowman's Best Top Prospects Brendan McKay Refractor #TP-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
$0.99
Recorded low
$0.99
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $0.99 | — |
Brendan McKay prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $0.99 | Buy on eBay ↗ |
| PSA 10 | $25.00 | Buy on eBay ↗ |
| BGS 10 | $33.00 | Buy on eBay ↗ |
| CGC 10 | $15.00 | Buy on eBay ↗ |
| SGC 10 | $15.00 | Buy on eBay ↗ |
Other versions of this Brendan McKay card
8 versions, each priced on its own. Most valuable first.
Live on eBay
Affiliate — we may earn a commission2017 Bowman's Best Top Prospects Brendan McKay Refractor #TP-21 value & prices
The 2017 Bowman's Best Top Prospects Brendan McKay Refractor #TP-21 is a Baseball card (Refractor parallel) released in 2017. Ungraded copies carry a market value of about $0.99.
An ungraded copy is worth around $0.99, a PSA 10 (Gem Mint) around $25.00 and a pristine BGS 10 around $33.00. 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 ($0.99) and top-graded ($25.00) 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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Brendan McKay2017 Bowman's Best Top Prospects2017Baseball cardsRefractorPSA 10BGS 10card valueprice guide