Not enough verified data to call this card yet.
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Sean Duncan has no Bowman Chrome 1st autograph on the market, because none has been made. His first one is expected with 2026 Bowman Draft, December 2026.
Anything currently listed under his name is a draft-night or unlicensed card, not a Bowman Chrome 1st auto, so nothing is priced here. This page fills in on its own the day the real one ships.
Every figure in this table is an asking price: the average of what sellers currently want across live eBay listings, base autos only. It is not what the card last sold for — where we have a verified sold comp it is shown above, tagged sold. Numbered parallels, refractor colors, superfractors, and printing plates are excluded so the numbers stay apples-to-apples across product lines. Refreshed multiple times per day.
| Card type | Avg asking | Asking range | Raw listings | PSA 10 asking |
|---|---|---|---|---|
| Bowman Chrome 1st Bowman Auto (variants) | $5.41 | $2.69–$24.98 | 5 | — |
Stat data from Fangraphs is temporarily unavailable. Card market data on this page is still live. Percentile rankings will return once the daily stat snapshot succeeds.
As of September 20, 2026, Prospect Card Radar does not have enough verified data to call Sean Duncan’s 1st Bowman Chrome auto overpriced or underpriced. His base 1st Bowman Chrome auto does not have an established card market yet, so there is no price percentile to compare his on-field performance against. There is no confirmed sold comp for his base 1st auto right now, so the only price here is an asking price. 5 Bowman Chrome listings are live on eBay, asking $3 to $25 (average $5). A verdict is published only once on-field percentiles and a price we can stand behind are both available, so this page will carry one as soon as that data lands.
The current Bowman Chrome 1st Bowman autograph average for Sean Duncan is $5 based on live eBay listings tracked by Prospect Card Radar. Numbered parallels and refractor colors are excluded so the figure reflects base autos only. Data refreshes multiple times per day.
Current Bowman Chrome 1st auto listings for Sean Duncan range from $3 to $25 based on live eBay data across 5 listings. The wider the spread, the more variation in condition and seller pricing.
Sean Duncan is ranked #253 in the Prospect Card Radar composite top 300, which blends MLB Pipeline, Fangraphs, and Baseball America rankings. Individual source ranks are listed at the top of his prospect page.
Sean Duncan plays SP in the Yankees organization.
Prospect Card Radar tracks live Sean Duncan card listings, recently delisted cards, real sold values, and 30-day price history at https://prospectcardradar.com/prospects/sean-duncan. Listings update continuously throughout the day.
Prospect Card Radar pulls live active listings from eBay, filters to base 1st autographs (numbered parallels, refractor colors, superfractors, and printing plates excluded), and computes a rolling average. Raw and PSA 10 averages are tracked separately. Methodology details at https://prospectcardradar.com/methodology.
Answers are generated from Prospect Card Radar’s own daily data and carry the date they were computed. Percentiles compare this prospect against the tracked pool; sold values come from SportsCardsPro; asking prices come from live eBay listings.
