2025 Bowman's Best Best of 2025 Autographs Ching-Hsien Ko Gold Mini-Diamond Refractor #B25-CKO
2025
See all Ching-Hsien Ko cards & valuesEpic
$138.50est. value (ungraded)
Prices updated 2026-10-26
Based on recorded sold prices how we price cards
Card number
#B25-CKO
Year
2025
Parallel / variant
Gold Mini-Diamond Refractor
Ching-Hsien Ko price history
$627▲ 0.0%
Oct 25 · $627 low$627 high · Oct 26
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 2025 Bowman's Best Best of 2025 Autographs Ching-Hsien Ko Gold Mini-Diamond Refractor #B25-CKO 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
$138.50
Recorded low
$138.50
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $138.50 | — |
Ching-Hsien Ko prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $138.50 | Buy on eBay ↗ |
| PSA 8 | $128.72 | Buy on eBay ↗ |
| PSA 9 | $222.87 | Buy on eBay ↗ |
| Grade 9.5 | $421.18 | Buy on eBay ↗ |
| PSA 10 | $627.19 | Buy on eBay ↗ |
| BGS 10 | $815.00 | Buy on eBay ↗ |
| CGC 10 | $251.00 | Buy on eBay ↗ |
| SGC 10 | $376.00 | Buy on eBay ↗ |
Other versions of this Ching-Hsien Ko card
10 versions, each priced on its own. Most valuable first.
Live on eBay
Affiliate — we may earn a commission2025 Bowman's Best Best of 2025 Autographs Ching-Hsien Ko Gold Mini-Diamond Refractor #B25-CKO value & prices
The 2025 Bowman's Best Best of 2025 Autographs Ching-Hsien Ko Gold Mini-Diamond Refractor #B25-CKO is a Baseball card (Gold Mini-Diamond Refractor parallel) released in 2025. Ungraded copies carry a market value of about $138.50.
An ungraded copy is worth around $138.50, a PSA 9 around $222.87, a PSA 10 (Gem Mint) around $627.19 and a pristine BGS 10 around $815.00. That's roughly a 4.5× 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?
With raw copies near $138.50 and top grades reaching $627.19, grading a sharp copy of this card can clearly pay for itself — the spread comfortably covers a typical ~$25.00 grading fee. The catch: only submit copies with strong centering, clean corners, and unmarked surfaces, because anything below a 9 usually erases the math.
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Ching-Hsien Ko2025 Bowman's Best Best of 2025 Autographs2025Baseball cardsGold Mini-Diamond RefractorPSA 10BGS 10card valueprice guide