The Masked G-Man #19
"Why don't you join too and help the Mighty Atoman in his never ending fight against evil! …To Captain Atom Corporation, 282 Queen's Parade, Clifton Hill, Vic…"
- 1953? to 1957?
- Captain Atom Club Has over 75,000 Members
The indicia for this issue is not recorded. The identified publisher might be an associated or parent company, rather than the specific listed publisher.