Title comps
Realized prices for the same title, issue and grade across houses — different physical copies. For one specific slab, use cert provenance.
Same book, same gradecard heroes marvel mtg namor showcase sub-mariner super the #0391 holo · grade 10Same card, set and grade across sources — different physical copies. Not the same slab. For one specific slab's history use cert provenance.
single sale1 sale (universal label, last 3 yrs)last sale $60.00 — not a market estimateAug 24, 2026 → Aug 24, 2026Fanatics Collect · CGC1 not counted
live nowFanatics Collect2026 MTG Marvel Super Heroes Foil Showcase Namor The Sub-Mariner #0391 CGC 10 PRISTINECGC 10live — not a realized pricecurrent bid $9.00
Aug 24, 2026Fanatics Collect2026 MTG Marvel Super Heroes Foil Showcase Namor The Sub-Mariner #0391 CGC 10 PRISTINECGC 10$60.00