How Many Sales Do You Need for Bowman Auto Comps? (data)
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Compare estimates from one, three, five and ten recent records against a later week of sales for the same 266 cards. Earlier sales: August 13–September 4; reference sales: September 5–11, 2026. Data behind the ProspectPulse article: How Many Sales Do You Need for Bowman Auto Comps?. Prices come from recorded eBay sales that ProspectPulse tracks for 1st Bowman autographs. The article explains the method and its limits. Please credit ProspectPulse and link the article when you use these files.
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Zenodo创建时间：
2026-09-28
