2021 Upper Deck Retro Rookie Threads Clayton Keller Flashback #RT-CK
2022
See all Clayton Keller cards & values$2.30est. value (ungraded)
Prices updated 2026-10-24
Based on recorded sold prices how we price cards
Clayton Keller 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 Upper Deck Retro Rookie Threads Clayton Keller Flashback #RT-CK 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 | $2.30 | — |
Clayton Keller prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $2.30 | Buy on eBay ↗ |
| PSA 8 | $6.66 | Buy on eBay ↗ |
| PSA 9 | $12.39 | Buy on eBay ↗ |
| Grade 9.5 | $24.01 | Buy on eBay ↗ |
| PSA 10 | $33.89 | Buy on eBay ↗ |
| BGS 10 | $44.00 | Buy on eBay ↗ |
| CGC 10 | $14.00 | Buy on eBay ↗ |
| SGC 10 | $20.00 | Buy on eBay ↗ |
Live on eBay
Affiliate — we may earn a commission2021 Upper Deck Retro Rookie Threads Clayton Keller Flashback #RT-CK value & prices
The 2021 Upper Deck Retro Rookie Threads Clayton Keller Flashback #RT-CK is a Hockey card (Flashback parallel) released in 2022. Ungraded copies carry a market value of about $2.30.
An ungraded copy is worth around $2.30, a PSA 9 around $12.39, a PSA 10 (Gem Mint) around $33.89 and a pristine BGS 10 around $44.00. That's roughly a 15× 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 ($2.30) and top-graded ($33.89) 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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