This issue has variants.
The on-sale date is the publication date reported in the U. S. Copyright Office filing.
Marvel Comics Index #8A lists letterer as Gaspar Saladino. Verpoorten credit by Nick Caputo, August 2012. Previous indexer credited Frank Giacoia.
The Madbomb Part 5.
Letters from Ralph Macchio, Gregg Stamey, the Marveriter.
Marvel Value Stamp Series B #78 "Conan".