AVENGERS #4 - (1964 - MARVEL - UK Price Variant) - KEY MARVEL BOOK - First Silver Age appearance of Captain America + joins the Avengers, Iron Man, Thor, Giant-Man, Wasp + Sub-Mariner appearance + Currently tied at #44 on Overstreet's Top 50 Silver Age Comics price list - Jack Kirby cover and interior art - Flat/Unfolded - a photographic condition report is available on request