Unknown Worlds of Science Fiction Special — Curtis Magazines
Issue: #1
Last valuation update: 2026-03-03
Creators: Dick Giordano, Roy Thomas, John Buscema, Gerry Conway, Archie Goodwin, Ruben Yandoc, Don Glut, Alex Niño, Mat Warrick, Vicente Alcazar, Nestor Redondo, Rick Bryant, Bruce Jones, Adrian Gonzales, Don Newton