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 gradegreen lantern (1960) #12 · 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.
single sale1 sale (universal label, last 10 yrs)last sale $1,260 — not a market estimateAug 27, 2020 → Aug 27, 2020ComicConnect · CGC
Aug 27, 2020ComicConnectGREEN LANTERN (1960-86) #12CGC 9.4$1,260