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 gradex-men (1963) #21 · grade 9.4Same 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 10 yrs)two sales $277.00 / $360.84— not a market estimateDec 15, 2018 → Dec 13, 2019ComicConnect9 not counted