Mystery In Space — DC Comics
Issue: #11
Last valuation update: 2024-06-28
"The Unknown Spaceman," "S.O.S. in Space," "Cosmic Capsule," "Rocketeer For Hire" (pencils by Carmine Infantino). Superman stars in a one-page public service announcement, "UNICEF Spells Help for the Children of the World!"
Creators: Bernard Sachs, Gil Kane