Mason miller [Green wave]
The four pillars.
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Issued Jul 17, 2026
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Rookie Oakland Athletics pitcher Mason Miller Topps Chrome certified autograph card from 2023. Chrome-style card shows the chromium/holo 'refractor' wave pattern with a teal/aqua border and on-card blue signature; RC logo indicates rookie status. Serial-numbered 065/199 printed on the back, making this a limited parallel of the Chrome autograph release.
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