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 gradedoom patrol (1987) #21 · grade 9.8Same 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 $66.00 — not a market estimateMay 24, 2020 → May 24, 2020ComicConnect · CGC
May 24, 2020ComicConnectDOOM PATROL (1987-1995) #21CGC 9.8$66.00