Realized prices for the same title, issue and grade across houses — different physical copies. For one specific slab, use cert provenance.
Same book, same gradeamazing spider-man #30 · grade 9Same 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 10 yrs)two sales $469.20 / $748.65— not a market estimateMar 23, 2024 → Dec 8, 2025ComicConnect3 not counted