Billy Carlson [Green/Aqua Refractor autograph (serial numbered 071/199)]
The four pillars.
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Issued Jul 16, 2026
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Certified 1st Bowman Chrome on-card autograph of White Sox prospect Billy Carlson from the 2025 Bowman Chrome set. Chrome refractor surface with a green/aqua parallel and vertical serial number 071/199, showing the Bowman '1st' logo and on-card blue ink signature. Front design features the classic Bowman Chrome chrome border and refractive pattern; back lists CPA-BC and prospect scouting/batting info.
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