Title comps
Realized prices for the same title, issue and grade across houses — different physical copies. For one specific slab, use cert provenance.
Worth a look
Comps fill in as sold records arrive
ComicConnect: 132,587 of ~478,958 sold records (28%) · paused
Alt: 42,481 of ~100,000 sold records (42%) · 249/h · remaining ~10 days