Realized prices for the same title, issue and grade across houses — different physical copies. For one specific slab, use cert provenance.
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Same book, same gradeamazing spider-man (1963) #28 · grade 4Same title, issue and grade across sources — different physical copies. Not the same slab. For one specific slab's history use cert provenance.
2 sales only2 sales (universal label, last 5 yrs)two sales $140.00 / $143.00— not a market estimateJul 12, 2023 → Aug 25, 2025ComicConnect2 not counted