Issues #1-51 in this series all have a 35¢ Canadian edition with an identical indicia. All of these issues, and only these issues, have "single copies 25¢, 35¢ in Canada" (or very similar language) printed in their indicia. The U.S. editions have a price of "25¢" printed on the cover, while the Canadian editions have a price of "35¢" on the cover.
Format
Publication Type:
Comic Books
Color:
four color
Dimensions:
standard Silver Age US, then standard Modern Age US
Paper Stock:
newsprint
Binding:
square-bound, then saddle-stitched as page count was reduced