AVENGERS #47

Image is rotated 90 degrees; cover shows moderate wear consistent with a mid-grade Silver Age book: visible vertical crease/stress line running through the Magneto figure, slight corner softness, and general handling wear along edges. Colors remain bright with no major fading or staining apparent, and the book is protected in a plastic sleeve which may obscure fine edge details. Spine and back cover were not visible/assessed, and interior pages were not examined, so grade could shift once fully inspected.

Avengers #47 (December 1967) arrived during Roy Thomas's tenure as writer and John Buscema's early run as penciler on the title, a pairing that would define the team's late-1960s direction. The issue, titled "In Our Midst, a Traitor!," introduces Dane Whitman, nephew of the villainous original Black Knight, who infiltrates the team before ultimately becoming the second and enduring hero to carry the name. The character would go on to serve extensive tenure with the Avengers across subsequent decades, giving this issue lasting reference status as a first-appearance book within the Silver Age Marvel run.

The FMV curve shows a large, actively traded census population (over 2,000 Universal copies), with steady sales activity across nearly every grade tier and a pronounced value acceleration above 9.0 as certified population thins. Demand is driven primarily by Avengers team-run completists and collectors focused on supporting-cast first appearances rather than by mainstream crossover interest, which keeps mid-grade pricing modest and stable rather than volatile. The gap between 9.4 and 9.6 FMV levels, and the complete absence of recorded 9.8 sales despite a real 9.8 census population, points to a book that is available in high grade but rarely tested at the very top of the market.

This issue trades as a steady mid-tier Silver Age key: affordable in low and mid grades for readers and team-run collectors, with a meaningful step up in cost once buyers pursue near-mint or better copies for character-first-appearance registries. It is not a headline-grade grail on the level of the team's own origin issue, but it holds a permanent place in Avengers key-issue checklists and will continue to see consistent, if unspectacular, turnover across all grade bands.